How do i upload a sig

Hey guys
im just posting this to find out how to upload my sig under my post's etc , i cant find the section on where to put it in . I've already uploaded it onto tinypic i just cant find the place where i put the link on . Could you help me please.

Wrong section. But here is the answer. :/

Go click your name on the top right corner to enter your profile. Then search for a thing called "Customize Profile" under your profile avatar. On the left side of the page click "Edit Signature". Do whachu want now.