The noise was probably added deliberately to give the wallpaper texture and alleviate gradient banding.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubuntu-wallpapers in Ubuntu. https://bugs.launchpad.net/bugs/1048976 Title: [UIFe] Update default ubuntu wallpaper to quantal version Status in “ubuntu-wallpapers” package in Ubuntu: Fix Released Bug description: Here is the time for the new ubuntu wallpaper, 12.10 edition. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1048976/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp