Index: imagefield.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/imagefield/imagefield.module,v
retrieving revision 1.69
diff -u -r1.69 imagefield.module
--- imagefield.module	13 Aug 2008 19:56:04 -0000	1.69
+++ imagefield.module	24 Aug 2008 19:42:28 -0000
@@ -214,6 +214,7 @@
       $field['widget']['min_resolution'],
     );
   }
+  $validators['filefield_validate_is_image'] = array(); // check if it's a real image file
   return $validators;
 }