diff --git a/csi.c b/csi.c
index ea2b97e6..9b00c3ef 100644
--- a/csi.c
+++ b/csi.c
@@ -791,19 +791,10 @@ csi_dispatch(struct terminal *term, uint8_t final)
             case 24: LOG_WARN("unimplemented: resize window (DECSLPP)"); break;
 
             case 14: { /* report window size in pixels */
-                const int x_margin = term->x_margin;
-                const int y_margin = term->y_margin;
-                const int cell_width = term->cols * term->cell_width;
-                const int cell_height = term->rows * term->cell_height;
-
-                /* right+bottom margins */
-                const int r_margin = term->width - cell_width - x_margin;
-                const int b_margin = term->height - cell_height - y_margin;
-
                 char reply[64];
                 snprintf(reply, sizeof(reply), "\033[4;%d;%dt",
-                         term->height - y_margin - b_margin,
-                         term->width - x_margin - r_margin);
+                         term->height - term->margins.top - term->margins.bottom,
+                         term->width - term->margins.left - term->margins.right);
                 term_to_slave(term, reply, strlen(reply));
                 break;
             }
diff --git a/input.c b/input.c
index c8f920b3..d04b228d 100644
--- a/input.c
+++ b/input.c
@@ -687,8 +687,8 @@ wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
     int x = wl_fixed_to_int(surface_x) * term->scale;
     int y = wl_fixed_to_int(surface_y) * term->scale;
 
-    int col = (x - term->x_margin) / term->cell_width;
-    int row = (y - term->y_margin) / term->cell_height;
+    int col = (x - term->margins.left) / term->cell_width;
+    int row = (y - term->margins.top) / term->cell_height;
 
     if (col < 0 || row < 0 || col >= term->cols || row >= term->rows)
         return;
diff --git a/render.c b/render.c
index c7d702b8..0e019431 100644
--- a/render.c
+++ b/render.c
@@ -382,8 +382,8 @@ render_cell(struct terminal *term, pixman_image_t *pix,
 
     int width = term->cell_width;
     int height = term->cell_height;
-    int x = term->x_margin + col * width;
-    int y = term->y_margin + row * height;
+    int x = term->margins.left + col * width;
+    int y = term->margins.top + row * height;
 
     assert(cell->attrs.selected == 0 || cell->attrs.selected == 1);
     bool is_selected = cell->attrs.selected;
@@ -475,8 +475,8 @@ static void
 grid_render_scroll(struct terminal *term, struct buffer *buf,
                    const struct damage *dmg)
 {
-    int dst_y = term->y_margin + (dmg->scroll.region.start + 0) * term->cell_height;
-    int src_y = term->y_margin + (dmg->scroll.region.start + dmg->scroll.lines) * term->cell_height;
+    int dst_y = term->margins.top + (dmg->scroll.region.start + 0) * term->cell_height;
+    int src_y = term->margins.top + (dmg->scroll.region.start + dmg->scroll.lines) * term->cell_height;
     int height = (dmg->scroll.region.end - dmg->scroll.region.start - dmg->scroll.lines) * term->cell_height;
 
     LOG_DBG("damage: SCROLL: %d-%d by %d lines (dst-y: %d, src-y: %d, "
@@ -493,7 +493,7 @@ grid_render_scroll(struct terminal *term, struct buffer *buf,
                 height * buf->stride);
 
         wl_surface_damage_buffer(
-            term->window->surface, term->x_margin, dst_y, term->width - term->x_margin, height);
+            term->window->surface, term->margins.left, dst_y, term->width - term->margins.left - term->margins.right, height);
     }
 }
 
@@ -501,8 +501,8 @@ static void
 grid_render_scroll_reverse(struct terminal *term, struct buffer *buf,
                            const struct damage *dmg)
 {
-    int src_y = term->y_margin + (dmg->scroll.region.start + 0) * term->cell_height;
-    int dst_y = term->y_margin + (dmg->scroll.region.start + dmg->scroll.lines) * term->cell_height;
+    int src_y = term->margins.top + (dmg->scroll.region.start + 0) * term->cell_height;
+    int dst_y = term->margins.top + (dmg->scroll.region.start + dmg->scroll.lines) * term->cell_height;
     int height = (dmg->scroll.region.end - dmg->scroll.region.start - dmg->scroll.lines) * term->cell_height;
 
     LOG_DBG("damage: SCROLL REVERSE: %d-%d by %d lines (dst-y: %d, src-y: %d, "
@@ -519,7 +519,7 @@ grid_render_scroll_reverse(struct terminal *term, struct buffer *buf,
                 height * buf->stride);
 
         wl_surface_damage_buffer(
-            term->window->surface, term->x_margin, dst_y, term->width - term->x_margin, height);
+            term->window->surface, term->margins.left, dst_y, term->width - term->margins.left - term->margins.right, height);
     }
 }
 
@@ -563,21 +563,21 @@ render_sixel(struct terminal *term, pixman_image_t *pix,
         (row - term->grid->view + term->grid->num_rows) & (term->grid->num_rows - 1);
 
     /* Translate row/column to x/y pixel values */
-    const int x = term->x_margin + sixel->pos.col * term->cell_width;
+    const int x = term->margins.left + sixel->pos.col * term->cell_width;
     const int y = max(
-        term->y_margin, term->y_margin + view_aligned * term->cell_height);
+        term->margins.top, term->margins.top + view_aligned * term->cell_height);
 
     /* Width/height, in pixels - and don't touch the window margins */
-    const int width = min(sixel->width, term->width - x - term->x_margin);
+    const int width = min(sixel->width, term->width - x - term->margins.right);
     const int height = min(
         sixel->height - first_img_row * term->cell_height,
-        term->height - y - term->y_margin);
+        term->height - y - term->margins.bottom);
 
     /* Verify we're not stepping outside the grid */
-    assert(x >= term->x_margin);
-    assert(y >= term->y_margin);
-    assert(x + width <= term->width - term->x_margin);
-    assert(y + height <= term->height - term->y_margin);
+    assert(x >= term->margins.left);
+    assert(y >= term->margins.top);
+    assert(x + width <= term->width - term->margins.right);
+    assert(y + height <= term->height - term->margins.bottom);
 
     pixman_image_composite(
         PIXMAN_OP_SRC,
@@ -756,10 +756,8 @@ grid_render(struct terminal *term)
 
         else {
             /* Fill area outside the cell grid with the default background color */
-            int rmargin = term->x_margin + term->cols * term->cell_width;
-            int bmargin = term->y_margin + term->rows * term->cell_height;
-            int rmargin_width = term->width - rmargin;
-            int bmargin_height = term->height - bmargin;
+            int rmargin = term->width - term->margins.right;
+            int bmargin = term->height - term->margins.bottom;
 
             uint32_t _bg = !term->reverse ? term->colors.bg : term->colors.fg;
             pixman_color_t bg = color_hex_to_pixman_with_alpha(_bg, term->colors.alpha);
@@ -769,19 +767,19 @@ grid_render(struct terminal *term)
             pixman_image_fill_rectangles(
                 PIXMAN_OP_SRC, pix, &bg, 4,
                 (pixman_rectangle16_t[]){
-                {0, 0, term->width, term->y_margin},            /* Top */
-                {0, 0, term->x_margin, term->height},           /* Left */
-                {rmargin, 0, rmargin_width, term->height},      /* Right */
-                {0, bmargin, term->width, bmargin_height}});    /* Bottom */
+                {0, 0, term->width, term->margins.top},            /* Top */
+                {0, 0, term->margins.left, term->height},          /* Left */
+                {rmargin, 0, term->margins.right, term->height},   /* Right */
+                {0, bmargin, term->width, term->margins.bottom}}); /* Bottom */
 
             wl_surface_damage_buffer(
-                term->window->surface, 0, 0, term->width, term->y_margin);
+                term->window->surface, 0, 0, term->width, term->margins.top);
             wl_surface_damage_buffer(
-                term->window->surface, 0, 0, term->x_margin, term->height);
+                term->window->surface, 0, 0, term->margins.left, term->height);
             wl_surface_damage_buffer(
-                term->window->surface, rmargin, 0, rmargin_width, term->height);
+                term->window->surface, rmargin, 0, term->margins.right, term->height);
             wl_surface_damage_buffer(
-                term->window->surface, 0, bmargin, term->width, bmargin_height);
+                term->window->surface, 0, bmargin, term->width, term->margins.bottom);
 
             /* Force a full grid refresh */
             term_damage_view(term);
@@ -806,8 +804,8 @@ grid_render(struct terminal *term)
 
             wl_surface_damage_buffer(
                 term->window->surface,
-                term->x_margin + at.col * term->cell_width,
-                term->y_margin + at.row * term->cell_height,
+                term->margins.left + at.col * term->cell_width,
+                term->margins.top + at.row * term->cell_height,
                 cols * term->cell_width, term->cell_height);
         }
     }
@@ -859,8 +857,8 @@ grid_render(struct terminal *term)
 
             wl_surface_damage_buffer(
                 term->window->surface,
-                term->x_margin, term->y_margin + r * term->cell_height,
-                term->width - term->x_margin, term->cell_height);
+                term->margins.left, term->margins.top + r * term->cell_height,
+                term->width - term->margins.left - term->margins.right, term->cell_height);
         }
 
         mtx_lock(&term->render.workers.lock);
@@ -880,8 +878,8 @@ grid_render(struct terminal *term)
 
             wl_surface_damage_buffer(
                 term->window->surface,
-                term->x_margin, term->y_margin + r * term->cell_height,
-                term->width - term->x_margin, term->cell_height);
+                term->margins.left, term->margins.top + r * term->cell_height,
+                term->width - term->margins.left - term->margins.right, term->cell_height);
         }
     }
 
@@ -933,8 +931,8 @@ grid_render(struct terminal *term)
 
         wl_surface_damage_buffer(
             term->window->surface,
-            term->x_margin + term->cursor.point.col * term->cell_width,
-            term->y_margin + view_aligned_row * term->cell_height,
+            term->margins.left + term->cursor.point.col * term->cell_width,
+            term->margins.top + view_aligned_row * term->cell_height,
             cols_updated * term->cell_width, term->cell_height);
     }
 
@@ -1156,8 +1154,10 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
     assert(new_rows >= 1);
 
     /* Margins */
-    term->x_margin = (term->width - new_cols * term->cell_width) / 2;
-    term->y_margin = (term->height - new_rows * term->cell_height) / 2;
+    term->margins.left = (term->width - new_cols * term->cell_width) / 2;
+    term->margins.top = (term->height - new_rows * term->cell_height) / 2;
+    term->margins.right = term->width - new_cols * term->cell_width - term->margins.left;
+    term->margins.bottom = term->height - new_rows * term->cell_height - term->margins.top;
 
     if (new_cols == old_cols && new_rows == old_rows) {
         LOG_DBG("grid layout unaffected; skipping reflow");
@@ -1178,9 +1178,10 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
     term->cols = new_cols;
     term->rows = new_rows;
 
-    LOG_INFO("resize: %dx%d, grid: cols=%d, rows=%d (x-margin=%d, y-margin=%d)",
+    LOG_INFO("resize: %dx%d, grid: cols=%d, rows=%d "
+             "(left-margin=%d, right-margin=%d, top-margin=%d, bottom-margin=%d)",
              term->width, term->height, term->cols, term->rows,
-             term->x_margin, term->y_margin);
+             term->margins.left, term->margins.right, term->margins.top, term->margins.bottom);
 
     /* Signal TIOCSWINSZ */
     if (ioctl(term->ptmx, TIOCSWINSZ,
diff --git a/sixel.c b/sixel.c
index 6a0b2982..b538fddb 100644
--- a/sixel.c
+++ b/sixel.c
@@ -52,25 +52,83 @@ sixel_destroy(struct sixel *sixel)
     sixel->data = NULL;
 }
 
-void
-sixel_delete_at_cursor(struct terminal *term)
+static void
+sixel_erase(struct terminal *term, struct sixel *sixel)
 {
-    const int row = term->grid->offset + term->cursor.point.row;
+    for (int i = 0; i < sixel->rows; i++) {
+        int r = (sixel->pos.row + i) & (term->grid->num_rows - 1);
+
+        struct row *row = term->grid->rows[r];
+        row->dirty = true;
+
+        for (int c = 0; c < term->grid->num_cols; c++)
+            row->cells[c].attrs.clean = 0;
+    }
+
+    sixel_destroy(sixel);
+}
+
+void
+sixel_delete_at_row(struct terminal *term, int _row)
+{
+    if (likely(tll_length(term->sixel_images) == 0))
+        return;
 
     tll_foreach(term->sixel_images, it) {
-        if (it->item.grid != term->grid)
+        struct sixel *six = &it->item;
+
+        if (six->grid != term->grid)
             continue;
 
-        const int start = it->item.pos.row;
-        const int end = start + it->item.rows;
+        const int row = (term->grid->offset + _row) & (term->grid->num_rows - 1);
+        const int six_start = six->pos.row;
+        const int six_end = six_start + six->rows - 1;
 
-        if (row >= start && row < end) {
-            sixel_destroy(&it->item);
+        if (row >= six_start && row <= six_end) {
+            sixel_erase(term, six);
             tll_remove(term->sixel_images, it);
         }
     }
 }
 
+void
+sixel_delete_in_range(struct terminal *term, int _start, int _end)
+{
+    assert(_end >= _start);
+
+    if (likely(tll_length(term->sixel_images) == 0))
+        return;
+
+    if (_start == _end)
+        return sixel_delete_at_row(term, _start);
+
+    tll_foreach(term->sixel_images, it) {
+        struct sixel *six = &it->item;
+
+        if (six->grid != term->grid)
+            continue;
+
+        const int start = (term->grid->offset + _start) & (term->grid->num_rows - 1);
+        const int end = start + (_end - _start);
+        const int six_start = six->pos.row;
+        const int six_end = six_start + six->rows - 1;
+
+        if ((start <= six_start && end >= six_start) ||  /* Crosses sixel start boundary */
+            (start <= six_end && end >= six_end) ||      /* Crosses sixel end boundary */
+            (start >= six_start && end <= six_end))      /* Fully within sixel range */
+        {
+            sixel_erase(term, six);
+            tll_remove(term->sixel_images, it);
+        }
+    }
+}
+
+void
+sixel_delete_at_cursor(struct terminal *term)
+{
+    sixel_delete_at_row(term, term->cursor.point.row);
+}
+
 void
 sixel_unhook(struct terminal *term)
 {
@@ -85,7 +143,9 @@ sixel_unhook(struct terminal *term)
         .height = term->sixel.image.height,
         .rows = (term->sixel.image.height + term->cell_height - 1) / term->cell_height,
         .grid = term->grid,
-        .pos = (struct coord){term->cursor.point.col, term->grid->offset + term->cursor.point.row},
+        .pos = (struct coord){
+            term->cursor.point.col,
+            (term->grid->offset + term->cursor.point.row) & (term->grid->num_rows - 1)},
     };
 
     LOG_DBG("generating %dx%d pixman image", image.width, image.height);
@@ -96,8 +156,6 @@ sixel_unhook(struct terminal *term)
         term->sixel.image.data,
         term->sixel.image.width * sizeof(uint32_t));
 
-    tll_push_back(term->sixel_images, image);
-
     term->sixel.image.data = NULL;
     term->sixel.image.width = 0;
     term->sixel.image.height = 0;
@@ -108,6 +166,8 @@ sixel_unhook(struct terminal *term)
         term_linefeed(term);
     term_formfeed(term);
     render_refresh(term);
+
+    tll_push_back(term->sixel_images, image);
 }
 
 static unsigned
@@ -421,16 +481,19 @@ sixel_colors_report_current(struct terminal *term)
 void
 sixel_colors_reset(struct terminal *term)
 {
-    term->sixel.palette_size = SIXEL_MAX_COLORS;
     LOG_DBG("sixel palette size reset to %u", SIXEL_MAX_COLORS);
+    term->sixel.palette_size = SIXEL_MAX_COLORS;
+    sixel_colors_report_current(term);
 }
 
 void
 sixel_colors_set(struct terminal *term, unsigned count)
 {
     unsigned new_palette_size = min(max(2, count), SIXEL_MAX_COLORS);
-    term->sixel.palette_size = new_palette_size;
     LOG_DBG("sixel palette size set to %u", new_palette_size);
+
+    term->sixel.palette_size = new_palette_size;
+    sixel_colors_report_current(term);
 }
 
 void
@@ -457,18 +520,19 @@ sixel_geometry_report_current(struct terminal *term)
 void
 sixel_geometry_reset(struct terminal *term)
 {
+    LOG_DBG("sixel geometry reset to %ux%u", max_width(term), max_height(term));
     term->sixel.max_width = 0;
     term->sixel.max_height = 0;
-    LOG_DBG("sixel geometry reset to %ux%u", max_width(term), max_height(term));
+    sixel_geometry_report_current(term);
 }
 
 void
 sixel_geometry_set(struct terminal *term, unsigned width, unsigned height)
 {
+    LOG_DBG("sixel geometry set to %ux%u", width, height);
     term->sixel.max_width = width;
     term->sixel.max_height = height;
-    LOG_DBG("sixel geometry set to %ux%u",
-            term->sixel.max_width, term->sixel.max_height);
+    sixel_geometry_report_current(term);
 }
 
 void
diff --git a/sixel.h b/sixel.h
index 040df93a..13eff024 100644
--- a/sixel.h
+++ b/sixel.h
@@ -9,6 +9,9 @@ void sixel_put(struct terminal *term, uint8_t c);
 void sixel_unhook(struct terminal *term);
 
 void sixel_destroy(struct sixel *sixel);
+
+void sixel_delete_in_range(struct terminal *term, int start, int end);
+void sixel_delete_at_row(struct terminal *term, int _row);
 void sixel_delete_at_cursor(struct terminal *term);
 
 void sixel_colors_report_current(struct terminal *term);
diff --git a/terminal.c b/terminal.c
index 8504a45b..3977caae 100644
--- a/terminal.c
+++ b/terminal.c
@@ -1366,6 +1366,7 @@ term_erase(struct terminal *term, const struct coord *start, const struct coord
     if (start->row == end->row) {
         struct row *row = grid_row(term->grid, start->row);
         erase_cell_range(term, row, start->col, end->col);
+        sixel_delete_at_row(term, start->row);
         return;
     }
 
@@ -1378,6 +1379,7 @@ term_erase(struct terminal *term, const struct coord *start, const struct coord
         erase_line(term, grid_row(term->grid, r));
 
     erase_cell_range(term, grid_row(term->grid, end->row), 0, end->col);
+    sixel_delete_in_range(term, start->row, end->row);
 }
 
 int
@@ -1532,27 +1534,12 @@ term_scroll_partial(struct terminal *term, struct scroll_region region, int rows
     /* Erase scrolled in lines */
     for (int r = max(region.end - rows, region.start); r < region.end; r++) {
         erase_line(term, grid_row_and_alloc(term->grid, r));
+        //sixel_delete_at_row(term, r);
         if (selection_on_row_in_view(term, r))
             selection_cancel(term);
-
-
-        tll_foreach(term->sixel_images, it) {
-            if (it->item.grid != term->grid)
-                continue;
-
-            /* Make it simple - remove the entire image if it starts
-             * getting scrolled out */
-
-            int img_top_row = it->item.pos.row & (term->grid->num_rows - 1);
-            int new_row = (term->grid->offset + r) & (term->grid->num_rows - 1);
-
-            if (img_top_row == new_row) {
-                sixel_destroy(&it->item);
-                tll_remove(term->sixel_images, it);
-            }
-        }
     }
 
+    sixel_delete_in_range(term, max(region.end - rows, region.start), region.end - 1);
     term_damage_scroll(term, DAMAGE_SCROLL, region, rows);
     term->grid->cur_row = grid_row(term->grid, term->cursor.point.row);
 }
@@ -1600,28 +1587,12 @@ term_scroll_reverse_partial(struct terminal *term,
     /* Erase scrolled in lines */
     for (int r = region.start; r < min(region.start + rows, region.end); r++) {
         erase_line(term, grid_row_and_alloc(term->grid, r));
+        //sixel_delete_at_row(term, r);
         if (selection_on_row_in_view(term, r))
             selection_cancel(term);
-
-        tll_foreach(term->sixel_images, it) {
-            if (it->item.grid != term->grid)
-                continue;
-
-            /* Make it simple - remove the entire image if it starts
-             * getting scrolled out */
-
-            /* TODO: untested */
-
-            int img_bottom_row = (it->item.pos.row + it->item.rows) & (term->grid->num_rows - 1);
-            int new_row = (term->grid->offset + r) & (term->grid->num_rows - 1);
-
-            if (img_bottom_row == new_row) {
-                sixel_destroy(&it->item);
-                tll_remove(term->sixel_images, it);
-            }
-        }
     }
 
+    sixel_delete_in_range(term, region.start, min(region.start + rows, region.end) - 1);
     term_damage_scroll(term, DAMAGE_SCROLL_REVERSE, region, rows);
     term->grid->cur_row = grid_row(term->grid, term->cursor.point.row);
 }
diff --git a/terminal.h b/terminal.h
index 55311408..53fecf6b 100644
--- a/terminal.h
+++ b/terminal.h
@@ -237,8 +237,12 @@ struct terminal {
     int scale;
     int width;  /* pixels */
     int height; /* pixels */
-    int x_margin;
-    int y_margin;
+    struct {
+        int left;
+        int right;
+        int top;
+        int bottom;
+    } margins;
     int cols;   /* number of columns */
     int rows;   /* number of rows */
     int cell_width;  /* pixels per cell, x-wise */