Binary package hint: gnome-control-center
Ubuntu 10.04 dose not remember the selected backgrounds after rebooting except the active one.
When adding a couple of images using "Appearance Preferences > Add" and keep one of them as my wallpaper ,after that i reboot the computer to XP then i reboot again to Ubuntu the active wallpaper is still there in use but the other wallpapers which i selected previously are all disappeared.
DistroRelease: Ubuntu 10.04
Package: gnome-control-center 1:2.30.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 184.108.40.206+drm33.2
Uname: Linux 2.6.32-22-generic i686
Date: Sat May 22 05:26:17 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PATH=(custom, no user)