Both DisplayFusion and MultiMon come with free versions that can accomplish the goal of setting different wallpapers in Windows 7. There seem to be only a couple of players in the multi-monitor software camp and those are namely DisplayFusion, UltraMon and MultiMon. Method 3 – DisplayFusion, UltraMon, MultiMon The program also has a bunch of other features like swap screen for managing windows using hotkeys and dual launcher, which lets you open applications with hotkeys and have then open on specific monitors at specific positions. It can also handle if one monitor is landscape and another is portrait. The program lets you adjust the images and preview the changes before you actually set the wallpapers. You can use it to spread one image across multiple monitors or you can use a different image for each monitor. Method 2 – Dual Monitor ToolsĪ free and open source program called Dual Monitor Tools works really well for using different backgrounds in Windows 7. Or you can find wallpapers for the exact resolution that you need. A cool site that helps you find wallpapers for multiple screens is.