Special effects on player's camera with alpha video??

Hey guys,

I had this idea of putting a transparent video over the player's screen as a special effect, but I wasn't sure how you would do that with the way Unity's videos work.

I was thinking something like this:

http://www.videoblocks.com/videos/details/alpha-channel-flames-burning/

Would I just have to dump the individual frames of the video into GUI textures and make a script that plays them?