Wallhaven - Your source for the best high quality wallpapers on the Net!
InterfaceLIFT - High-resolution widescreen wallpapers, desktop icons, and themes for Mac OS X, Microsoft Windows...
Simple Desktops - A collection of wallpapers designed to make your computer beautiful without distraction.
Desktop Nexus - Download free computer wallpapers, pictures, and desktop backgrounds.
Wallpapers Now - Wallpapers Now is a specialized website from where you can get the HD wallpaper for free.
Celwalls.com - Celwalls.