How do you best conquer a castle at stronghold crusader?

First, have two sige towers ready. Bring forth some archers, tunnelers, and slaves and make a distraction. Then bring your siege towers. One is likely to be distroyed. Attack the wall. Bring about 30 maceman. Destroy the siege weapons and the archers. Set the castle on fire and wait until the fire is gone. Many of the enemies are going to die. Then go to the king.