diff -Naur grub2-1.99~rc1.orig/debian/changelog grub2-1.99~rc1/debian/changelog
--- grub2-1.99~rc1.orig/debian/changelog	2011-01-26 10:41:31.000000000 +0100
+++ grub2-1.99~rc1/debian/changelog	2011-01-26 10:47:06.895538285 +0100
@@ -1,3 +1,10 @@
+grub2 (1.99~rc1-1.1) experimental; urgency=low
+
+  * Non-maintainer upload
+  * Ignore case of file extensions of background images (closes: #611123).
+  
+ -- Alexander Kurtz <address@hidden>  Tue, 25 Jan 2011 20:00:54 +0100
+
 grub2 (1.99~rc1-1) experimental; urgency=low
 
   [ Colin Watson ]
diff -Naur grub2-1.99~rc1.orig/grub-core/video/bitmap.c grub2-1.99~rc1/grub-core/video/bitmap.c
--- grub2-1.99~rc1.orig/grub-core/video/bitmap.c	2010-12-01 15:45:43.000000000 +0100
+++ grub2-1.99~rc1/grub-core/video/bitmap.c	2011-01-26 10:45:11.396540221 +0100
@@ -177,7 +177,7 @@
 
   pos -= ext_len;
 
-  return grub_strcmp (filename + pos, ext) == 0;
+  return grub_strcasecmp (filename + pos, ext) == 0;
 }
 
 /* Loads bitmap using registered bitmap readers.  */