Linking to a Full-Screen YouTube Video

Here is a test post. Trying to link a graphic (like a GIF or a JPG) to a full screen YouTube Video.

Source: Stretch YouTube Videos To Fit the Browser Window, Better Than Full Screen

Can you get it to auto play?

I changed part of the url to "autoplay=1" to get the file to play automatically.

http://www.youtube.com/v/qa56bNzrViQ&autoplay=1