Coarsely chop 8 cookies; set aside.
Finely crush 16 cookies.
Combine cookie crumbs and butter; press into 9 inch pie plate.
Chill.
In 2 qt saucepan over low heat, stir marshmallows, milk, and chocolate chips until melted and smooth.
Remove from heat; cool completely.
Gently fold 1 1/2 c whipped cream and chopped cookie pieces into marshmallow mixture.
Spoon into prepared crust.
Chill at least 3 hours.
Garnish with remaining whipped cream and chopped peanuts.