Which version UBB are you running? The easiest way is to upload the avatars to your non-cgi ubb directory and add the graphic into the "User Custom Title" manually. LK did a little bit of magic in our CP with the newest version UBB but I'm not sure if he made that available.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.