Yes, if the photo is of an erotic or pornographic nature. However, without seeing the actual photo of the artwork I can't tell if your photos are an exception.
The FAQ covers this sort of question very easily.
You can find an answer in these help pages.
I think so because I did that one of my poems and HP unpublished it.
I would say so. But if you have google adsense, then defintiely so. Since it would be against Google's TOS for adsense to post adult content.
So, it'd be a good way to get your hub unpublished and maybe get your Adsense account deactivated.
Sexually explicit graphics are against the AdSense TOS. Thereby, it is also against HubPages rules, which expressly incorporate them.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.