The concept is specifically geared towards telling stories about the 3 DCU batgirls (Barbara Gordon, Cassandra Cain, and Stephanie Brown) not just any gals in DCU — although cameos are encouraged. It will help you a lot if you read the About and the FAQ pages.
Generally we’re looking for script submissions as opposed to art, but if you want to do art, I’m not going to say no. Just understand that submissions aren’t guaranteed to be posted. They have to fit with what we want to have on this tumblr.