When you say:
Does that include signatures on forums?
Ones that don't advertise, but rather are just some sort of picture?
Can I put my own advertisements up?
Yes, you may put you own advertisments up. The advertisments you put must NOT be bigger than the ones we provide you. Our advertisements must be used along with your advertisements (you can't only have your own advertisements on your site.)
Does that include signatures on forums?
Ones that don't advertise, but rather are just some sort of picture?