I was having the /usr/share/backgrounds issue and blank screen issue. I was able to resolve this on my install by removing ~/.gnome2/backgrounds.xml. Many stale entries in there that weren't properly removed. I suppose you can hand-edit the file but I'd rather zap/recreate it.
-- wallpaper-tray always displays pictures from /usr/share/backgrounds https://bugs.launchpad.net/bugs/355081 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs