Indeed the stock wallpaper center origami fold, is not in the center. About scaling and trimming, i'd expect the image to be centered first and then proportionately scaled up/down and trimmed.
** Attachment added: "bullseye-stock.png" https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1291735/+attachment/4021321/+files/bullseye-stock.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-greeter in Ubuntu. https://bugs.launchpad.net/bugs/1291735 Title: Default 14.04 wallpaper does not align well with greeter grid Status in “ubuntu-wallpapers” package in Ubuntu: New Status in “unity-greeter” package in Ubuntu: Invalid Bug description: On main screen the "center" dot is not in the center of the origami folds. Similarly, whilst the gradient of the folds is the same as the grid-pattern diagonal, the dots don't line up on the fold. On the off-screen the grid circle-of-friends is not in the center of the origami fold. Picture to be attached. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1291735/+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