The Piggybank screensaver populates your desktop with walking pigs, or rather, piggybanks.

You can set the number of pigs, toggle sound, have your desktop as background or a black screen and choose to add dropshadows.
The piggybanks make it a real screen_saver_.
New in v1.3: speed option.

Piggybank keywords: screensaver, animals, pigs, piggybank