WEll keep on posting and once you get enough rep you can then see our pics and vids section. YouTube will have some videos but they are removed very fast by Zuffa. The videos on dailymotion.com seem to last a lot longer. Of course you can try searching through google videos as well.
This site gets my vote. They dont have all of the fight out there but they have a lot. He (or she) posts new ones almost daily and always finds and post ones of the new events within a day or 2. Another good spot is