Buttons like the ones on 24 DVD's

[merlin001]

Anyone have any idea how the buttons on 24 were created & authored?

~ David

[Video Dude]

The technique is called a subpicture rollover.

I found a guide that explains how to do it in Adobe DVD Encore and Photoshop.
http://www.adobe.com/tips/enc15subpic/main.html