One of my students sent me a jpeg map showing dates and locations of US landings in the pacific theatre of operations; I've no idea were it came from originally. I find it very handy for working out where the Japanese & Americans are on the map at any given time. (Wouldn't it be good if the terrain held by the two sides was colour coded so players could see at a glance where the enemy territory was?)
He asked if I'd give him extra marks for his next essay, sadly I wasn't able to but he did get my thanks, & I posted some mod files to him!
Link:
http://www.filefront.com/user/forensicman