Place ham in baking dish, discard seasoning package and cover tightly with foil. Heat ham according to package directions, removing about 30 minutes before fully heated.  

Remove ham from oven and remove foil from ham. Use whole cloves and toothpicks to secure pineapple slices to ham, use toothpicks to secure cherries to center of each pineapple ring. 

In a small bowl, combine brown sugar, mustard and enough pineapple juice to make a thick glaze. Spoon glaze over ham and in between slices. Bake uncovered for another 30 minutes. Remove ham from oven and spoon liquids over ham and in between slices before serving.