Mateo is right, of course. There are legal restrictions and that's that. But along with that, I'll voice my personal opinion. I do not want to be associated with a porno site in any way, shape or form. Nada, zero. As for what makes a classical nude, go to a famous museum and you'll see. You won't see anything from renderotica in the Louvre. That should give you some sort of distinction by comparing the images. Sure, there are nudes, and even racy ones. Are there walls and walls of porn? NO. As for the morality police, I for one appreciate the effort to keep the site clean. We've had several members leave because of the over sexually oriented images. That is a shame. Artists need to understand that they can think what they want of their work but when it is put in the public, they have to deal with what the public thinks. As for a nudity flag, well, aside from the fact that it gets checked when it shouldn't, or doesn't get checked when it should, there is still another issue. Maybe I would like to see a very well done and classical nude. Maybe I would not like to see porn. There is so much that can be done with 3D! Sunsets, landscapes, a cottage in the woods, sci-fi, outstanding modeling, etc.