Hey there man. To change your signature, you go under your User CP and on the left, you'll see "Edit Signature." You won't be able to have a sig pic until you get to 75 posts, but that never takes long, welcome a few new folks on board and you'll be there in no time!
Hello, I’d like to personally welcome you to this awesome forum, the best place on the web for information on your RAM. Glad to have you aboard. Don’t forget to stop by the newbie section found here and introduce yourself. Enjoy the forum.