Of course they do... it's 20 free picture galleries.
All I do is make sure your code is on the galleries.
Here's my code:
http://www.advertisingsex.com/free.html?id=21880
yours will be the same... except with a different webmaster referral ID number.
It's free to use. I don't want your money. I have plenty.
Use it an an exit pop up... if you like.