If you are familiar with twitvh.tv be sure to also check out the new livestream site at http://www.hitbox.tv/
It provides the starting software to start livestreaming! I hope to see some livestreams soon.
I made my account at http://www.hitbox.tv/JustinD92
After you sign up, check these out to get started!!!
Open Broadcaster Software: http://obsproject.com/
Xsplit hitbox download: https://www.xsplit.com/hitbox/signup