How would i do this?

[cremator]

Alright, I got a mpg i wanna stream off a of program called "paltalk" . Since my friend is too lazy to just download it from me he wants to see a stream of it. So the conflict. When i go to the "setup" deal, it has a Video Driver Select option, my webcam uses "Microsoft WDM Image Capture" So how could I get it to display an mpg? I'm currently using a geforce3 ti-500 deluxe, if that helps.