diff -ur icon-slicer-0.3/src/main.c-old icon-slicer-0.3/src/main.c
--- icon-slicer-0.3/src/main.c-old	2009-03-19 18:21:14.490676675 +0100
+++ icon-slicer-0.3/src/main.c	2009-03-19 18:21:32.753675714 +0100
@@ -89,7 +89,7 @@ theme_source_location_bounds (ThemeSourc
 {
   ThemeImage *image = theme_source_find_image (source, frame_index);
   int start_x, start_y;
-  int i, j;
+  int x, y;
   
   const guchar *pixels;
   int rowstride;
@@ -103,7 +103,7 @@ theme_source_location_bounds (ThemeSourc
   if (n_channels == 3)
     {
       out->x = start_x;
-      out->y = start_x;
+      out->y = start_y;
       out->width = source->gridsize;
       out->height = source->gridsize;
       
@@ -116,29 +116,29 @@ theme_source_location_bounds (ThemeSourc
       
       pixels = gdk_pixbuf_get_pixels (image->image) + start_y * rowstride + start_x * 4;
 
-      for (j = 0; j < source->gridsize; j++)
+      for (y = 0; y < source->gridsize; y++)
 	{
-	  for (i = 0; i < source->gridsize; i++)
+	  for (x = 0; x < source->gridsize; x++)
 	    {
-	      if (pixels[4*i + 3] > threshold)
+	      if (pixels[4*x + 3] > threshold)
 		{
 		  if (found)
 		    {
-		      if (start_x + i < min_x)
-			min_x = start_x + i;
-		      if (start_x + i >= max_x)
-			max_x = start_x + i + 1;
-		      if (start_y + j < min_y)
-			min_y = start_y + j;
-		      if (start_y + j >= max_y)
-			max_y = start_y + j + 1;
+		      if (start_x + x < min_x)
+			min_x = start_x + x;
+		      if (start_x + x >= max_x)
+			max_x = start_x + x + 1;
+		      if (start_y + y < min_y)
+			min_y = start_y + y;
+		      if (start_y + y >= max_y)
+			max_y = start_y + y + 1;
 		    }
 		  else
 		    {
-		      min_x = start_x + i;
-		      max_x = start_x + i + 1;
-		      min_y = start_y + i;
-		      max_y = start_y + i + 1;
+		      min_x = start_x + x;
+		      max_x = start_x + x + 1;
+		      min_y = start_y + y;
+		      max_y = start_y + y + 1;
 
 		      found = TRUE;
 		    }