How do I get iCamsource to recognize my other camera? I have the new iMac desktop. I can see the Built in isight camera fine, (it's facing me) but when I connect my other clip on iSight external camera (this is facing out into the hallway) into the firewire port I can see that THAT camera is working when iChat pops up, but it isn't listed as a second camera in iCamsource. I clicked add camera, but the Video drop down only gives me one choice: Built in iSight. It doesn't give me a choice that says: iSight. How do I get both cameras working?