Sure. 🙂
look at the top of your screen. click on the word profile.
Then click on Edit Profile.
Once you get to that screen scrool down until you see the "Signature" box.
once there type this in the box.
[ center] [ img ] http://www.tribute.addr.com/anime/green_code.gif [ / img ] [ / center ]
** Just remove all the spaces from the above code, then scroll to the bottom of the page and press enter. ***
And thats it.
your sig will work. Just go back to any of your older posts to see it. 🙂