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...
Wallpapers Now - Wallpapers Now is a specialized website from where you can get the HD wallpaper for free.
HDWallpaperGreat.com - HDWallpaperGreat.
Celwalls.com - Celwalls.
WallpaperFusion - The best multi-monitor and Eyefinity wallpaper images, all in one place!