Bring water to a boil; add shrimp, and cook 3 to 5 minutes or until shrimp turn pink. Drain well; rinse with cold water. Chill. Peel, devein, and chop shrimp. Combine shrimp, cream cheese, and next 4 ingredients in a bowl; stir well. Cover and chill 1 hour. Shape shrimp mixture into a ball; cover and chill thoroughly. Combine chopped pecans and parsley; roll cheese ball in pecan mixture. Serve with assorted crackers. Yield: 1 (4-inch) cheese ball.