Another idea is to zoom down close to the unit level, ie so the camera is underneath the trees. You can see whats going on much better that way and it creates a nice atmosphere, simulating the chaos and excitement of a forest fight.

Of course you can also just keep your troops hidden and let the enemy attack you. Most of the time emerging troops, javelin volleys and a flank charge will send them running. But keep the cavalry hidden until you need to chase down some routers!