The final stable version (Release Candidate) of Ubuntu 11.10 (Oneiric Ocelot) will be public on Oct. 13, 2011. And when it go live it will come packed with 14 awesome wallpapers contributed by community members including the default desktop wallpaper. The pack includes high quality wallpapers ranging from sceneries, flowers, art and other macro shots too.
Shown below are few of the wallpapers included in Ubuntu 11.10 official wallpaper collection. Go ahead and download the entire pack now (link below).
Download Ubuntu 11.10 Wallpapers (Full Pack)