For info see : http://design.canonical.com/2011/01/the-natty-wallpaper-contest-an-important-update/

To submit your illustrations: simply head over to the '''[[http://www.flickr.com/groups/ubuntu-artwork/|Ubuntu Artwork group]]''' on ''' [[http://www.flickr.com/|Flickr]] ''', join up and add your illustration(s) to the group. Please tag anything you’d like us to consider with the tag '''NattyWallpaper''' so that we know to look at it when judging comes around.