Forever Stars is a popular Mac OS X Snow Leopard Screensaver
Updated version of Full of Stars Screensaver for Snow Leopard. Plus a couple of code tweaks to make it a bit more efficient (but you wouldn't notice the difference).
Download Forever Stars
Compressed Size: 16KB
Screensaver Size 74KB.
Thanks to Alfonso for reminding me I hadn't updated this screensaver for Snow Leopard. It's a simple screensaver but has proved popular (I think because most people can have it running at work without 'The Man' moaning about it).
http://www.opanoid.com/index.php?view=20090930230954