The site's been designed so that anywhere you see a username or avatar, a context menu will appear when you mouse over it to give you ways to interact with that member.
Let me know if you get stuck!

Quote by CuriousJayUK
I personally think: don't create the option to have more than one-to-one conversations because when there's a possibility of having everyone talking in one place it all gets a little overwhelming and will put some people off; leaving some people out; making them feel not apart of the community. Also, anyone who doesn't chat in the big conversation but will chat in a one-to-one may be looked at as some weirdo because no-one knows him/her and no-one can understand why him or her aren't talking in the "main chat". Sure, I know the forums are a big conversation for everyone to partake in, but if no-one makes any posts you hardly notice.
</all based off personal experience when managing my own website>
I would suggest some way of making it more obvious that a new message has been received. Sound, in theory, is a good idea but then what sound do you use that isn't annoying? Also, when using sound it can not only get annoying but interupt the users music or they may just not bother with audio.
Some visual indication is what I suggest: forcing the window to flash when a new message is received is a popular method.
Talking of new messages: could you please make it more accurate? ...i.e. When I am chatting with people it will say as a title 'New message' (or whatever it says) and it'll keep alternating between this and whatever it alternates with even when you have the window open, read the message, replied and minimised it.
Oh and emoticon shortcuts: can we make these more generic? i.e. Not case sensitive or if they must be then add capital letters to the shortcuts (e.g. :P will only work when using smaller case letters {}).
That's all for now.