UV Mapping video texture

How can I ( or is it possible) use video texture the same way as UV mapping?

For example:

I’ve made an piramid and I want at ONE side of the piramid a video texture, exactly fitting the triangle.

Kind Regards,

Try this: http://www.youtube.com/watch?v=I4cD2qHdF2U also look at his other tutorials, they’re great.