You may be aware the Natty will ship with selected wallpaper illustrations from the broader community and this is an excellent submission.
A design brief which details the desired content and the submission process if available here.wiki.ubuntu.com/Artwork/Specs/AlternateNattyWallpapers
All submissions must be licensed as "Creative Commons ShareALike v3
" and be targeted to one of the five defined marketing segments or general use
The size of successful compositions will be 2560x1600 pixels but submissions may be posted in 1024x480 format as supported by the Flickr free account.
This is an excellent opportunity to showcase your talents.
Ubuntu Artwork Team