This is an interesting new thing. Need to get time to do some testing.
Camfrog Video Chat (exe), from Camshare - Free Downloads on ZDNet | Shareware, Trialware, Evaluation Software: "Camfrog Video Chat allows you to join real streaming video chat rooms where you can hear, see, and chat with many people at a time.
Instant message a user to get to know them before you Webcam chat, and add them to your contact list. This videoconferencing software also works behind most firewalls and routers.
Camfrog Video Chat allows multi-user videoconferencing where you can join a room with up to 1000 users and just click a user name to begin seeing someone. Press the 'talk' button to talk to the entire room with audio.
The video chat rooms are hosted by broadband users who are running the Camfrog Video Chat Room Server software so any user can set up their own multi-user videoconference for other users to join.
No Webcam is required to see people, but some rooms might not allow users without Webcams. Camfrog Video Chat is optimized for broadband users so it has fast video.
Version 4.1 adds vertical and horizontal webcam organization support along with support for dual monitors. Note:This software comes with Yahoo Toolbar and the Weather Channel Desktop, that can be installed or uninstalled at the user's choice."