diff -up gthumb-2.10.7/data/gthumb.desktop.in.x-content gthumb-2.10.7/data/gthumb.desktop.in
--- gthumb-2.10.7/data/gthumb.desktop.in.x-content	2008-01-18 00:56:54.000000000 -0500
+++ gthumb-2.10.7/data/gthumb.desktop.in	2008-01-18 00:57:28.000000000 -0500
@@ -6,7 +6,7 @@ Categories=GNOME;GTK;Graphics;Viewer;Ras
 Encoding=UTF-8
 Exec=gthumb %U
 Icon=gthumb
-MimeType=image/bmp;image/jpeg;image/gif;image/png;image/tiff;image/x-bmp;image/x-ico;image/x-png;image/x-pcx;image/x-tga;image/xpm;image/svg+xml;
+MimeType=image/bmp;image/jpeg;image/gif;image/png;image/tiff;image/x-bmp;image/x-ico;image/x-png;image/x-pcx;image/x-tga;image/xpm;image/svg+xml;x-content/image-dcf;x-content/image-picturecd;
 StartupNotify=true
 Terminal=false
 Type=Application