I am sure an answer to this question has been answered many times, so forgive me for boring your?

Try "Google Images" that's where I find mine.

If you don't have your own type in on the search " free photos "on google or you can buy them online, you might have to put their name if they are free but thats ok.

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.