Follow directions on Key Lime Cooler Dip Mix packet to prepare dip mix. After whipping with mixer, fold in an 8 oz. container of whipped topping. In a large, zipper-type bag, place approximately 24 gingersnap cookies; crush with a rolling pin or another heavy object. Place 1/8 cup crushed gingersnaps in bottom of each parfait glass (this recipe will make 8 parfaits). Fill each parfait glass halfway with Key Lime mixture. Garnish each parfait with small amount of gingersnap crumbs. Chill before serving.