Hmm, for some reason, Its not possible to make the random avatar work. I did everything properly from that site, but when I put the URL as my avatar; apparently the URL extention is invalid. And when I try to put the URL into my user title, its too long, because there is a limit to how many letters you can have in you user title.
So i'm asking you if you would be kind enough to show me how you do it, unless you don't want anyone else apart you, to have one of these avatars...