"The Bodhi Tree was a large and very old Sacred Fig tree located in Bodh Gaya under which Siddhartha Gautama, the spiritual teacher later known as Gautama Buddha, is said to have achieved enlightenment, or Bodhi. In religious iconography, the Bodhi tree is recognizable by its heart-shaped leaves, which are usually prominently displayed."
I did this design for a simple, easy to view, unobtrusive wallpaper. It's especially good for BodhiLinux but it looks great on any OS!
Sizes included in the file are:
One of those sizes should be pretty close to your size if not the actual size.