How do you add a pic to signature?

General
#1

OK, so i had some extra time in my class and i made a picture for being mod, how do i add that to signature?
Im sure there is an easy way to do this, and im just being dumb and overlooking it.

Here is the pic i wanted to add:

#2

paste this into the signature box without the '.'s:

It should look like this :

#3

Thanks Ruby.

#4