Free Personal Online Radio Station

How would i go about making this ? I want to be able to broadcast, meaning talk to others listening and also play music from my iTunes. All this though i am not willing..well able..to pay a cent. Any help would be greatly appreciated.
Please and Thanks
–
Answer #1
http://jutin.tv
good option
Answer #2
What about this one?
http://www.google.com?t=1661540&highlight=