If you like admiring the best pictures of space published by NASA, and would
like to see them used as your Windows wallpaper, check out a free portable
program called My Daily Space Wallpaper. It automatically changes your
wallpaper image each time you start up your PC, from a library of almost 300
superb NASA images.
http://www.techsupportalert.com/content/stunning-windows-wallpapers-nasa-change-every-day.htm
