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Speaking of multiple monitors...
Windows 8 finally overcomes one of the most frustrating multi-mon limitations in Windows 7. You can now display a different desktop background on each monitor.
To make it happen, right-click the desktop, choose Personalize, and then click Desktop background to open this dialog box.
Right-click any image to see the very well hidden shortcut menu shown here. Pick one image for Monitor 1, another for Monitor 2, and you're done.
Bonus: If you choose multiple images and set them as a slideshow, you can change the pacing for each monitor so that it's constantly mixing images.