3 Simple steps to set these wallpapers on your Desktop
Step - 1 : Click the Resolution you want the wallpaper in
Step - 2 : Right Click on the image that opens up.

Internet Explorer
Step - 3 : Choose option - Set As Background

Firfox and Netscape
Step - 3 : Choose option - Set as wallpaper

800 x 600 1024 x 768 1280 x 768	800 x 600 1024 x 768 1280 x 768
800 x 600 1024 x 768 1280 x 768	800 x 600 1024 x 768 1280 x 768
800 x 600 1024 x 768 1280 x 768