DisplayFusion will make your dual monitor (or triple monitor or more) experience smooth and painless. Advanced multi-monitor wallpaper support, Flickr integration for image searching and fully customizable window management hotkeys are just a sample of the many things DisplayFusion can do. DisplayFusion is also available in many different languages.
Whats new in Beta 4?
Fix: Resolved a wallpaper preview issue in the Wallpaper window
Fix: Resolved a few wallpaper UI issues
Fix: Lots of little bug fixes