EasyWallpaper
Your have a lot of beautiful wallpapers but can you can't decide which you want to use? Let EasyWallpaper decide for you! EasyWallpaper is the ultimate desktop wallpaper management solution. An extract what the program does: New wallpaper on Windows startup: EasyWallpaper can set a new desktop... Starfield wallpaper: With EasyWallpaper you can conjure a moving starfield on your desktop. ... Make your Windows unique with such a wallpaper! ... Find new wallpapers: EasyWallpaper helps you to find new, beautiful Windows desktop wallpapers.
http://download.kosiol.com/easywall_en.zip - 4Mb - Download - Screenshot

Lightspeed Screen Saver
The ultimate starfield screensaver. With up to 32000 stars and a unique "key frame" animation system, immersive virtual worlds are blasted to your screen with unprecedented flexibility and creativity. In screen saver mode, Lightspeed runs on autopilot, flying itself through breathtaking starscapes. ... - From relaxing tranquility to mind bending vertigo, Lightspeed will propel you to the very edge of infinity itself. ... But with one 'click', you can engage an Interactive mode and fly it yourself!
http://www.wolton.net/LSPEED8.zip - 2Mb - Download - Screenshot

MBSS Starfields
MBSS Starfields offers the ability to define starfields, nebulas, northern lights, comets, plasma clouds, neon spark ribbons and more. Setup properties of the stars and effect patterns along with the Hue Cone for particle coloring. Starfields are depicted using real-time 3D particle animation... Features: * Beautiful themes showcase the various Starfield effects. ... * Product works internationally per Windows Regional Settings. ... * Save Templates to share with other users. ... * Field-level online help for all properties.
http://mathsavers.swmirror.com/mbss_starfields_setup.exe - 650Kb - Download - Screenshot