Did you really have to post this same thing
three times?!?
Unless you don't want to spend any money or really have to use your video camera as a webcam, I suggest taking the easy way and getting a real webcam and using that. If you get a well-known brand webcam (such as Logitech) and a recent model webcam, you can be almost sure you won't run into any problems.
Perhaps the following topic (specifically the software in Jeff's first reply) might be of use:
http://www.bigblueball.com/forums/to...?TOPIC_ID=5898