This mod reskins the silver shield pikemen. They have more armor, and a larger shield. Includes a foolproof readme.
pics:
http://img135.imageshack.us/img135/8118/silverfront2gi.jpg
http://img135.imageshack.us/img135/360/silverback6mi.jpg
UPDATE: I made a mistake calling the models_unit folder the model_battle folder in the first download, but that is fixed now.