Preheat oven to 350. Unroll pizza crust dough onto a greased 14-inch pizza pan. Pat out dough to edges. Bake 12-15 minutes or until golden brown. Remove from oven; cool completely.
Coarsely chop crabmeat; set aside. In a medium bowl, combine cream cheese, dill weed, and lemon peel; spread evenly onto crust. Top with cocktail sauce. Sprinkle with cucumber, bell pepper, crabmeat and parsley.
Garnish with lemon slices if desired. Cut into wedges and serve.