From the developer: "Power Screensaver Builder lets you create and distribute your professional image slide show screensaver, Shockwave flash movie screensavers, AVI/MPEG video movie Screensaver quickly and easily. Give yourself the power to create screensavers for family and friends or simply make a screen saver for your own enjoyment. It also enables you to create shareware screensavers that will expire after an evaluation period and require a registration code. You can choose from more than 160 transition effects for your image slideshow screensavers. You can also tie particular sound files to particular pictures. The same sound and picture always play together. Configure expired screen for shareware screensaver. More flexible on configuration of how a flash animation is played. You can customize each media file in your project. Version 3.08 includes unspecified updates.