You go to livestream.com, get an account, download the procaster, and set it up. Then you can livestream in real time, and save the videos when you are done. c:
I usually don't talk during mine, but you can set it up so you can talk while you draw and other people can hear, or play music, etc. It's pretty cool!
http://www.livestream.com/harpalyce is my livestream channel if you would like to go watch the video of me drawing this.