Artistic animated forests screensaver grows trees with a time-lapse photography effect that never repeats. Comes with 21 beautiful natural animated forests. Build your own forests with over 30 varieties of trees and many special graphics design effects. Take snapshots of the animated forest displays for your web site or desktop wallpaper. The secret of Animated Forests' realistic tree growth is the Sim-a-Tree living tree simulation engine which individually places each twig in the display using a detailed model of biological growth.