One thing about the AIM Web Presence Indicator is that it requires you to supply your own image URLs for online and offline. For those who don't want to go poking around looking for little running man graphics, I found these URLs:
I also found Frank's Icons, a
great AIM buddy icon site that not only has a lot of great icons, but
allows you to customize the colors and wording on the icon as well.
Here's an icon that I made: