Melt and cool margarine or butter. Mix with graham crumbs and press into a 9" X 9" pan or 10" pie plate. Save 1/4 cup for top.
Cream together cream cheese and icing sugar.
Prepare Dream Whip and mix with cheese mixture. Spread on top of crumbs. Cover with favorite pie filling. Sprinkle crumbs on top. Put in refrigerator at least 1 hour before serving.