Fishtank Screensaver
About
A fishtank screensaver. Just extract fishtank screensaver 2.scr along with the other contents of the archive into the main windows folder. Go to the screensaver settings in windows and it should show up in the list along with the default windows screensavers.
This isn't just any screensaver though, it has interactive elements. you can press space to startle the starfish, or try pressing other keys to see what happens!