Banana Split Ice Cream Pie

1 - 9 inch chocolate cookie pie crust, or 20 chocolate
      wafer sandwich cookies
2 firm, medium-sized bananas, sliced
1 quart strawberry ice cream, softened
1 (20 ounce) can crushed pineapple, drained
1 cup whipping cream
1/4 cup chopped walnuts or almonds
maraschino cherries
                   
1. To Make Crust if Using Cookies: Mix cookie crumbs with
   1/4 cup melted butter. Press into a 9-inch pie plate. 
2. Arrange bananas over bottom of crust. Spread ice
   cream in an even layer over bananas. Top with drained
   pineapple. Spread whipped cream over all and sprinkle
   with nuts. 
3. Place pie in freezer for 4 hours or until firm. Garnish with
   cherries, if desired.