Wallpaper Slideshow Pro allows you to automatically change your desktop wallpaper with a new photo from your collection every few minutes, hours or days. You can control how each image is displayed (stretched, centered, resized), add an optional monthly calendar overlay, display image information from EXIF tags, filter images based on size or keywords, and more. Other features include support for secondary monitors, automatic image resizing, save/restore of desktop icon positions, custom image groups, transition effects, and more. Supports JPG, GIF, PNG, TIF, BMP file formats.