Butterfly Effects Description:

Artisticly abstract...
This is more than a screensaver, this is a work of art. Flocks of butterflies streak across the screen creating artisticly abstract designs that can only be described as Techno-Modern Art .

Free Features:

Artisticly animated flocks of Monarch butterflies
Wonderfully realistic nature sounds.

Registered Features ($8):

5 More types of butterflies !
3 More backgrounds !
More options! (like muting of sounds)
No more annoying "please register" messages.