Picasa

Click on the link below to load Picasa. Picasa is free photo management software from Google that helps you find, edit and share your photos in seconds. Once you start Picasa, it scans your hard drive to find and automatically organize all your photos. Picasa finds the following photo and movie file types: Picasa automatically organizes all your photo and movie files into collections of folders inside its main Library view.
 * Photo file types: JPG, GIF, TIF, PSD, PNG, BMP, RAW (including NEF and CRW). GIF and PNG files are not scanned by default, but you can enable them in the **Tools** > **Options** dialog.
 * Movie file types: MPG, AVI, ASF, WMV, MOV.

Click the “Collage” button to quickly make personalized photo collages from a variety of templates including picture pile, picture grid, or contact sheet. You can also create a film-style multiple exposure effect. To save your new creation, pick a background for your collage (use a photo or the colors black, white or gray) and specify how you want it created (as a screensaver, as a desktop background, or as a folder you select).
 * Collage**