then go to your user cp (at the top) and select edit profile then scroll to the bottom and the avatar settings appear there. the stars are just like a post counter the more posts you make over time, the more stars you get, moderators and administrators have special coloured stars.
the contributor badge is given to those who chose to make a donation to help towards the running costs of this forum.
by the way, i'm moving your other post from here to the "dog & duck" which is where posts like that should be made.
i see you like sports, but do you have any intrests in things like computers or games consoles? how old are you? thats the kind of things we are looking for in an intro post.
Just the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.