Place carrots, onion, bell peppers, garlic and 2 teaspoons Cajun seasoning in slow cooker; mix well. Cut meat into individual ribs. Sprinkle 1 tablespoon Cajun seasoning over ribs; place in slow cooker over vegetables. Pour tomatoes over ribs. Cover; cook on LOW 7 hours or until ribs are tender. Remove ribs and vegetables from cooking liquid to serving platter. Remove fat. Mix water, cornstarch and 1 teaspoon Cajun seasoning. Stir into slow cooker. Cook on HIGH until sauce is thickened. Return ribs and vegetables to sauce and stir. Serves 6.