Just save it in format zou want, you can do that from File - Save , Save as, Save for Web and Devices.
Once the new file has been created, add your image content to one or more new layers. This will happen automatically if you copy and paste an image into the file. You can add a transparent layer to an existing file by selecting Layer > New > Layer from the menu.
The new layer will be added above the currently selected layer. Drag the new layer below the image's layer.
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.