first you need yahoo messenger, the downloaded version. (The web version 
works for a 2-person chat, but not for conference.) No need to install the extra 
stuff Yahoo will try to install - those boxes can be unchecked.
http://messenger.yahoo.com

The Winterfest Yahoo Messenger FAQ might be of some help for those new to YM.
http://www.beautyandthebeast-tv.com/Winterfest2007/chat/ymfaq7/ymfaq.html


Then you can let us know you want to join us by dropping a message, including 
your yahoo id, on batbchat (or bbtv or most any of the active BATB yahoo groups).
http://tv.groups.yahoo.com/group/batbchat/

                                         Thanks, J Ecris