I didn't even see any avatar button there, I looked all over and checked the help section twice..

I asked in Adult chat about it but no info..they stopped chatting ..

They stopped for few seconds when I appeared too... began a veiled conversation about duct tape vs foil vs saran wrap!

I think you have to be a PC member to have an avatar. They told me to go to the profile in CP and follow the commands. Do they have sample avatars there like some sites do?

I have seen people leave without posting there depending on what is being discussed. I have left as well.

Last time I was there the lobby was most active.
Today was the adult room.

Oh yeah, it is active. Was just there.