Yes, You need something called ToriPrime to even have pictures in your Signature.

It's 10$USD/year

Features are as followed:
Pictures in Sig.
Hidden section only people with ToriPrime can see.
Unlimited letters in sig.
Change your title. Ex Senior Member to I like Pie, Or anyting you want.

I'm sure there is more uses, I just can't think of them right now.