References for homepage images
Picture 1: http://www.telegraph.co.uk/history/world-war-one/inside-first-world-war/part-two/10350719/war-letters-home.html
Picture 2: http://blog.mapsofworld.com/tag/first-world-war-battles/
Picture 3: http://worldwar42.blogspot.com/2011/11/world-war-2-battle-pictures.html
Picture 2: http://blog.mapsofworld.com/tag/first-world-war-battles/
Picture 3: http://worldwar42.blogspot.com/2011/11/world-war-2-battle-pictures.html