how do u guys use the signatures?

how do u guys make it to where ur signature pops up everytime u make a post alot of u hav that line under ur post then the signatures can some tell me how?

wrong section but go here:
http://www.mpgh.net/forum/profile.php?do=editsignature
put the url or upload it and press save and you should see it under your post.

ROFL
Never been to a forum? lol.

Go to "User CP" http://www.mpgh.net/forum/usercp.php
Then click on "edit Signature" http://www.mpgh.net/forum/profile.php?do=editsignature

EDIT:
Suicide beat me to it.