This program allows you to build a screensaver in a few seconds, and it is not require any special skills. All you need to do is point your images to the program and then press Build button. PhotoScreen will do the rest - generate a screensaver with 150 different image transition effects using your files. All users of PhotoScreen can feel free to distribute any screensavers built with this program absolutely royalty free, just making a reference confirming it is created using PhotoScreen.