You're probably looking for this zombie halloween projection loop.

If you have a projector, and a white sheet to hang in front of your window, then enjoy my little loop of zombies walking by.
Halloween zombie projection shadow loop video

Once the page loads, you can click the little "maximize" icon and it'll go fullscreen for you. Hit ESC to minimize it again.

No, there's no way to pause it currently. No, it doesn't work in Internet Explorer.

Any suggestions? Tweet at me! Me on Twitter