At work, I have two 21 inch Sony G500s and all of these years, I've been stuck with mirroring wallpapers. I wanted to stretch one image across both monitors to get a mega-widescreen effect. Well here's how to do it. I created my own wallpaper using a stretch Kill Bill image I found:

Click to Download (Warning: BIG FILE!)

If you have two monitors and love Kill Bill, then this is the wallpaper for you!

Another neat site is Library of Congress Panoramic Photos Site. Go LOC!