Half fill a large saucepan with water and bring to a boil over high heat. Add the shrimp, lower the heat, and cook, uncovered, for 3 mns or until pink. Drain;rinse with cold water. Set aside 3 of the largest shrimp for garnish.
In a food processor or blender, process the remaining shrimp for seconds or until coarsely chopped, the add the remaining ingredients. Process for 1 minute or just until the mixture is chopped and blended but not pureed.
Spoon the shrimp mixture into a small serving "pot" or dish and top with the 3 reserved shrimp. Conver with plastic wrap and refrigerate for 1hr or until thoroughly chilled. Garnish with the strips of lemon zest and sprigs of parsley or curly strips of lemon zest (colored part of the rind). Serve cold with an assortment of crackers. Makes 1 1/2 cups.