Your guy is just Another case of attention whore mixed with bad photoshoot syndrome. Not the worst tought, Few days ago there was a Girl's ass with a dancing pole stuck between her buttcheecks slapped on my news wall. It sticked there for quite some time x,x . Mature content Its called.
Taking pictures of your lady bits cos you're feeling in the mood is NOT 'artistic nude.'
If that's the sort of thing you're after then google it!
Don't clog up my dA with shit pictures of your vagina!