This is a persistent problem for me, too. Added wallpaper only remains in the list between reboots if it's the current wallpaper.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. https://bugs.launchpad.net/bugs/584054 Title: Ubuntu dose not remember selected Backgrounds after rebooting -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
