How can I train myself in battlefield tactics and strategy for an upcoming paint ball Stalingrad reenactment?

I am going to Skirmish Paint Ball in PA this weekend for a reenactment of the battle for Stalingrad in WWII. I have been designated the squad leader because I already have more military tactical knowledge than any of my friends. However, I would certainly not consider myself even an average battlefield commander. Are there any websites or books I can find that have tips, rules, lessons, or info on battlefield strategy and tactics. I'm really looking for something to teach me flanking moves, how to arrange my men while patrolling or advancing, how to guess where my enemy will move next, and how to plan an attack or where to move before and after a battle.