Peel and devein shrimp retaining tails, if desired; set aside. Combine coconut milk, lime juice, garlic red peppers, cumin, coriander and pepper; pour over shrimp. Marinate no more than 1 hour. Thread shrimp and pineapple chunks on skewers. Broil or grill, 3 minutes per side, or until shrimp are done.
Put coconut, cilantro, green onion, lime juice, ginger, garlic and salt in food processor; process until finely chopped. With processor running, slowly pour in oil. Refrigerate before serving to allow flavors to blend. Makes about 2 cups.