Boy do I love the community aspect of PowerShell.  The great thing about it is that you get the leverage really smart people from across the world.  I never spent any time thinking about screen savers and it turns out that you can just execute them like an exe.

Here is a blog entry with a script Start-ScreenSaver which starts a random screen saver

http://lunex.spaces.live.com/Blog/cns!64CB3857E28BD106!145.entry

Cool stuff - Enjoy!

Jeffrey Snover [MSFT]
Windows PowerShell/MMC Architect
Visit the Windows PowerShell Team blog at:    http://blogs.msdn.com/PowerShell
Visit the Windows PowerShell ScriptCenter at:  http://www.microsoft.com/technet/scriptcenter/hubs/msh.mspx