No Bake Pineapple Cream Cake

No Bake Pineapple Cream Cake 4 c. vanilla wafer cookie crumbs 2 8 oz. cans crushed pineapple, drained 3 T. butter, melted 1/3 c. walnuts, chopped 1/3 c. sugar 3 oz. cream cheese, softened 1 tsp. vanilla (the real thing) whipped cream Sprinkle 1/3 of the cookie crumbs on the bottom of a 1 qt. dish. Combine pineapple, butter, walnuts, sugar,cream cheese and vanilla and mix well. Place 1/2 of this mixture over cookie crumbs followed by 1/3 crumb mixture then the other 1/2 of pineapple mixture and top with remaining crumbs. Place in the refrigerator for several hrs. before serving. *Top with whipped cream when serving. *May use cool whip if desired. Also, may use light cream cheese and low fat whipped topping in place of the whipped cream