Peel shrimp, and devein, if desired.

Combine dry white wine, lemon rind, next 3 ingredients, 1/2 teaspoon salt, and 1/2 teaspoon pepper in a shallow dish or zip-top plastic freezer bag; add shrimp. Cover or seal, and chill 15 to 20 minutes.

Remove shrimp from marinade, discarding marinade.

Cook marinated shrimp in 1 teaspoon hot olive oil in a large nonstick skillet over medium-high heat 3 minutes or just until shrimp turn pink. Remove shrimp from skillet; cover and keep warm.

Sauté onion, red bell pepper strips, remaining 1/2 teaspoon salt and remaining 1/2 teaspoon pepper in remaining 1 teaspoon hot oil in skillet over medium-high heat 15 minutes or until onion is tender. Add tomato halves; cook 1 minute or until thoroughly heated. Spoon onion mixture over shrimp, and serve with Yogurt-Cucumber Sauce.

Note: Nutritional analysis includes Yogurt-Cucumber Sauce.