Using the 2 cups of cold milk and Jell-O pudding mix, prepare as directed on package. Chill 5 minutes. Stir in Cool-Whip and half of the cookies. Place 1 tablespoon cookies in bottom of each cup. Fill cups 3/4 full with pudding mixture. Top with remaining cookies. Refrigerate 1 hour. Decorate with Gummi worms pushed part way into dessert, candy flowers, or Gummi frogs.