Wallpaper Manager!

DisplayFusion will make your dual monitor (or triple monitor or more) experience smooth and painless. With DisplayFusion you can add a taskbar to every monitor that works and looks just like the Windows Taskbar. Or take advantage of advanced multi-monitor wallpaper support, Flickr integration for image searching and fully customizable window management hotkeys. These are just a few of the many things that DisplayFusion can do.

Dual Monitor Tools is a software package for Windows users with dual or multiple monitor setups.

UltraMon is a utility for multi-monitor systems, designed to increase productivity and unlock the full potential of multiple monitors. Efficiently move windows and maximize windows across the desktop, manage more applications with the Smart Taskbar, control application positioning with UltraMon Shortcuts, multi-monitor support for desktop wallpapers and screen savers, mirror your main monitor to secondary monitors for a presentation.

"ALL-IN-ONE" Desktop Related Tools.

SimplyWallpaper is a small and very easy to use wallpaper changer that supports different images on different screens. The application is capable of changing the wallpapers on two different monitors.