Multiple Backgrounds!

[BetaMan]

It's pretty easy to do, Just Right-Click on your desktop, select "Personalize", click "Desktop Backgrounds", then navigate to a folder and select all you want. You can also monitor when they change, for instance, mine change every 30 minutes.

 

[RyanPBaskett]

Yes but what about having individual backgrounds for multiple monitors? Can you have a background for one of three monitors but just a black background for the others?

 

[TrainableMan]

Ryan, it generally requires software unless you want to create a superlarge image wide enough & tall enough to span both.
You might try DisplayFusion (donationware) or DualMonitorTools