It's a desktop wallpaper of a desk top (i.e., the top of a desk) :D
I've included one version with an ubuntu logo sketched on the paper, one without- you can put your conky on the paper if you're so inclined (see screenshots).
If you don't like it please tell me why, so it can be improved. Comments welcomed!
Note: full size is 1280x800, but it scales well enough to 1440x900 as they have the same width-to-height ratio (1.6 if you're wondering).