To avoid graphical smilies, insert a space where the nose should be:
: )
Who needs noses!
IMHO, this looks better than the usual ":)" anyway, since the default
sans-serif font compresses the
eyes too close to the
mouth.
Disclaimer: Use at your own risk. Especially as the last time I used an authorized AIM client was several months ago with a client that had not been upgraded in at least as long. They might have caught on since then...