The HD version of my wallpaper distributed with Ubuntu 11.04 aka..."Natty Narwhal" : www.ubuntu.com
So if you have Ubuntu installed you can also find it in the Appearance/Background list.
2 versions in the pack with/without Ubuntu logo...
Own garden except :
° The picture I used as model for the narwhal provides from : commons.wikimedia.org/wiki/File:Narwal.jpg (license : Public Domain)
Fonts (used for the presentation only) :
° "Polsku Regula" by Sebastien commin' from OpenFontLibrary : [link]
° "Neuropol" : [link]