I found this website with some pretty neat photomanipulations used as computer backgrounds. I enjoyed it so I hope you do!
Another fun site for backgrounds is Visual Paradox, in case you are interested!
The artists:
Christophe Gilbert
Riccardo Bagnoli
Garrigosa Studios
Erik Almás
Staudinger + Franke
La Souris sur le Gateau
Khuong Nguyen
Frank Uyttenhove
Andric Ljubodrag
LSD Photographers
Christophe Gilbert
Riccardo Bagnoli
Garrigosa Studios
Erik Almás
Staudinger + Franke
La Souris sur le Gateau
Khuong Nguyen
Frank Uyttenhove
Andric Ljubodrag
LSD Photographers
