If you cant copy the image a easy way to do so is to do a print screen by hitting the print screen button on your keyboard and opening up Microsoft Paint or Photoshop and pasting the page. After that just cut out the photo you are trying to copy. Sometimes people disable the copy ability from website so others can not copy their images.
Hope this helps.
Assuming the photos your talking about are public domain or creative commons and your not miss-appropriating them. I'd just right click on the image and click save image as or something like that. Save to your drive and then upload it.
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.