This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.

Download the Google Photos Screensaver, part of Google Pack, here.
1. Unzip the image files into a directory on your hard drive.
2. Right-click on the desktop and select Properties, Screen Saver, and then select Google Photos Screensaver.
3. Under Visual Settings, choose Collage.
4. Under Picture Folder Settings, add the folder where you stored the images you just downloaded.