Butterflies in Autumn colors fly past and toward viewer from the forest depths. Optional falling autumn leaves. Demo contains full set of features including password protection, sound mute, volume control, tint, brightness, time of day, select and play user mp3 music files, and selectable colors, size, speed and fade for the falling leaves. Have fun customizing this screen saver to your preferences. Registered version doesn't have the overlay text and never expires. Remove demo using the Windows Control Panel add/remove programs.