dude they are called sigs.. you make them your self on photoshop or have some 1 else made it for you and you add it your sig dose not have to be that u can add just text or pic's up 2 you but the 400 x 100-150 looks good
need help go to gfx selection go to request selction and post a render of a pic you want them to make a sig out of that all..
(new to forums)