It doesn't read the actual avatar size unless you use the Upload avatar function. If you just provide a URL, it'll use former dimentions if it has them, or the default if you don't.
You can adjust the size for the user with this SQL command:
UPDATE w3t_Users
SET U_PicHeight = 'xxx',
U_PicWidth = 'yyy'
WHERE U_Username = 'zzzzzzzzzz'
Hope that helps. <img src="https://www.ubbcentral.com/boards/images/graemlins/smile.gif" alt="" />
