On lightly floured surface, roll out pastry to 16- x 11-inch (40 x 28 cm) rectangle. Cut into four 11- X 4-inch (28 X 10 cm) strips. Place on baking sheets and crimp up edges slightly. Sprinkle with mozzarella cheese; spread tomato sauce on top. Sprinkle with oregano; arrange shrimp on top of sauce.
Rinse feta under cold water and drain well; pat dry and crumble over pizza. Sprinkle with dillweed; drizzle with oil. Bake in 350Â°F (180Â°C) oven for about 35 minutes or until puffed and golden brown. Cut strips crosswise into 1-inch (2.5 cm) pieces. Serve hot.