You have to wait until the connection tells you it has finished before you can write the data. The connection is handled on another thread; if you try to access the data immediately on the original thread as you're doing, there won't be anything in it.
You can use a CustomURLConnection with Tag to name de images before they download.
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.