Attaching the final version. The greyscale versions now have the box removed. I've kept the original colour ones though, as the banding is less pronounced but the filesize is slightly larger. The JPG colour image comes in at 665k. I've tried crushing the PNG but was not happy with the results.
** Attachment added: "Disco-Dingo_WP_4096x2304.tar.xz" https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1819744/+attachment/5246108/+files/Disco-Dingo_WP_4096x2304.tar.xz -- 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/1819744 Title: 19.04 Disco default wallpapers Status in ubuntu-wallpapers package in Ubuntu: New Bug description: Attached will be the Disco default wallpapers. One in colour, one in black and white. Both 4096 x 2304. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1819744/+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