sjurick's hit it spot on! Render as sequential .tga's and then use a good vid app. to make your movie...this will allow you to use any codecs you have on your system 
Darkon
Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....
-The Mountain P.F.M.