The photo isn't going to their wall, it's actually going to a new album in their profile that has been created for your app. Look at their photo albums and you should see it there. Facebook does a little bit of unspecified magic with posting something to their wall when new photos are uploaded to an album.
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.