Star Trek Screen Saver - Version 2.0 An exciting screen saver from the hit sci-fi TV show and movies of Star Trek with 3D images and theme music! Each image can be set as Desktop wallpaper and the utility will cycle your wallpaper every day or every hour. These screensavers are powered by a first-rate screen saver engine that lets you set the duration between images, see images full-screen or at original size, use up to 21 transitional effects, is password protected, and many more advanced features!