i have a moving gif size 50x50 pixels with a size of 6748 bytes. i tried to put the URL (stored on freeservers.com) in the "You can enter an URL of your avatar:" box and click the submit button, it does its stuff, blah blah blah. but instead of having my custom icon shown, it shows the alien head (first icon). i tried uploading it directly to the server, but no luck. why?