In a small bowl, combine the yogurt, chopped cucumber, garlic salt and dill; set aside., Cut each bacon strip in half widthwise and then lengthwise. Wrap a piece of bacon around each shrimp. Secure with toothpicks., In a large nonstick skillet, heat oil over medium heat; cook shrimp in batches for 3-4 minutes on each side or until bacon is crisp., Spoon a rounded 1/2 teaspoon yogurt sauce onto each cucumber slice; top with shrimp.