99 Amazing Widescreen Wallpapers To Spice Up Your Desktop | Showcases | instantShift
http://www.instantshift.com/2009/06/29/99-amazing-widescreen-wallpapers-to-spice-up-your-desktop/

An amazing collection of widescreen wallpapers related to nature, photography, patterns, illustrations, HDR as well as some abstract and fantasy-related wallpapers. Hopefully, everybody will find something interesting to spice up his or her desktop. All wallpapers can be downloaded for free from their original source.