Screen Savers (403 programs)
Pros: Excellent photography. Several options for customising the display.
Cons: Not one for the feminists.
Pros: Diverse selection of images.
Cons: Low resolution.
Pros: Free screen saver mode. Great looking 3D models. Lots of performance optimizations.
Cons: Live wallpaper is a paid feature. Resource hog.
Pros: Beautiful images. Allows you to interact with it. Includes information about the planet.
Cons: Zoom is not very powerful. Demo mode displays icons on the image.
Pros: Supports multiple monitors. Access photos from different websites. Supports different wallpaper templates. Allows wallpaper search by category.
Cons: Does not include new desktop themes. Does not automatically filter inappropriate photos in search results. No slideshow feature.