If you are using Trillian pro, you need to get the Minibrowser plugin which you can get from here:
http://trillian.cc/downloads/downloa...&componentID=3
This is also a site with a list of basically all the plugins for Trillian (the download for the minibrowser is also on here):
http://www.civillians.com/pluginlist.php
In the basic version of Trillian, AIM profiles show as text only (no clickable links or colors).