Leaping Lemmings screensaver Description:

A feature-packed screensaver in which animated lemmings hurl themselves suicidally from the ends of walkways. The screensaver is highly customisable, and you can set it up to display the time, the date, or a message of your choice on top of the main screensaver. Part of the Screens in the Night screensaver collection. Fully-functional, non-nagging shareware version.