I found a solution! After backup the file, I edited the file "ubuntu-wallpapers.xml" and deleted some wallpapers listed randomly. Now, every image deleted from the list, is single in "Appearance" app. The others are still double!
Hope this comment to help finding real problem. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/934047 Title: Double wallpaper-entries in appearance menu Status in “gnome-control-center” package in Ubuntu: Confirmed Bug description: I've added a wallpaper to the /usr/share/backgrounds folder and added an entry for it in the /usr/share/gnome-background-properties/ubuntu- wallpapers.xml file. Since then, every wallpaper appears twice in the appearance menue. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/934047/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

