Thank you, Luna Sedai and Sailea Sedai.
I was having some difficulty finding this section in the manual, but it is exactly the information I was looking for.
So, I've been advised that I need an avatar for use on the site.
I have friends that are WoT artists (both licensed and otherwise) that I can ask for help in making/selecting one.
So, that possibly checks the artist's permission box.
My own skills in that department are limited, but I can...