How to make World of Warcraft videos?

World of Warcraft videos that you use to watch over youtube, like this:
I'm so sick: https://www.youtube.com/watch?v=hbj86pOBClg
Tides of War: https://www.youtube.com/watch?v=NgZk3Au9jmw
Frame of Mind: https://www.youtube.com/watch?v=e5N1yGXOwek

So, machinima recorded a video toturial for this: 
Part1 _ http://www.youtube.com/watch?v=TDh6c4dvyBU
Part2_ http://www.youtube.com/watch?v=dqIPIWYT0wU
Part3_ http://www.youtube.com/watch?v=OnQ2oUN2Cjo


Have fun ;)