So I am getting the question enough to warrant a stickied post at the top of this forum.
Yes, you can put non-40k and non-WH art in this forum.
No, it was not what the forum was intended for, but go ahead.
And no, no pornographic material is allowed here. This is a forum for players of all ages, and even though you may still call it art I get the angry letters from the parents about it, so please don't. Similarly, if you find a picture here particularly disturbing, feel free to press the "report to moderator"-button and we can take a look at it. Thank you.