Place 1 pound of crabmeat in bowl. (The other 1/2 pound is used for garnishing) Add all the remaining ingredients to crabmeat and mix thoroughly. Form the mixture into the shape of the top shell of a crab. Place on your serving dish. Spread cocktail sauce over crab. Sprinkle remaining crabmeat on top of cocktail sauce. Garnish with olives, crab claws and parsley. Serve with crackers.