Go to your User CP (Top left of the page), find Your Profile on the left, and Change signature. Simples. You are a registered user, otherwise you'd be a guest. 
If you know how to use photoshop (or similar), you can make yourself a signature image like most of us have. If not, post a decent pic of your motor up, and someone like me could make you one.

If you know how to use photoshop (or similar), you can make yourself a signature image like most of us have. If not, post a decent pic of your motor up, and someone like me could make you one.

![[Image: P1060836_zpsz3xgxt7q.jpg]](http://i1101.photobucket.com/albums/g427/wingnutz2/P1060836_zpsz3xgxt7q.jpg)