There is, but as I mentioned, it is currently commented out. It's in the user_profile_basic.html file. The comment starts with:
<%-- The following section of code should be uncommented ...
All you need to do is delete that line, then, as it indicates, deleting the closing comment 42 lines below it. After changing that, user icons that you upload will be accessible.
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com