Use it to create screensavers and demos - use it to join multipart AVI's or MPG's - use it to show movies in novel ways - use it to create presentations and corporate demos. All of the parameters for each effect are adjustable. You can decide which picture to display (or text, movie or music), which effect to use, the speed of the effect, the density or depth of the effect, and all of the other variables available to that particular effect.