After clicking on one of the thumbnails below, a large version will
Right-click over the image and choose "Set As Wallpaper."
Control-click on the link below and select "Download Image to Disk"
(IE) or "Save this Image as…" (Netscape). Save the file to a location
that you will remember. Then go to the Appearance Control Panel, and
choose the "desktop" tab. Click on "Place Picture…" and choose the
picture you just saved. Click on "set desktop."