I bought this:
http://www.nearlythere.net/sidekick.php
Now we do our own webcam shows for members. I don't use mine as a money making proposition but rather as an incentive for our members to stay. I didn't want to use any thirdparty cam stuff because I like to keep our stuff exclusive to Claudia-Marie.Com
It pays off in the end by member retention.
But that software is set up to be used to charge for webcam shows...we tweaked it out to meet our purposes, but it comes out of the box designed to do for pay cam show. Works great and we've had over a thousand viewers at one time before with no problem