Freeware Programs: ACE Software
Shamrock: The Saint Patrick's Day Screen Saver v1.10 covers your desktop with shamrocks. You'll see three-leaf clovers in various shades of green appear on a black or white background while festive MIDI music plays in the background.
Million Dollar Screen Saver v1.0 covers your desktop with hundred dollar bills. If you haven't seen a million dollars before, then just watch this screen saver for a while. It features MIDI music and two different animation effects.