Here is interesting mod for you. Battle Loading Background Screens
This mod will show mini maps on each background screen while the battle is loading.
Background is a zoomed out shot from the game
What does the colour mean?
— WHITE.Avenue of Approach.
— RED. Key Terrain: Some terrain feature (natural or manmade) which, if controlled, will give a marked advantage to whoever controls it. Often selected for use as battle positions or objectives
— GREEN. Typical artillery and sniper hides
Battle Loading Background Screens (50 MB)