They look great! We Grill Shrimp frequently. I came up with the recipe below about 25 years ago and it is really good for grilled Shrimp. I marinade and skewer the shrimp for easy management...JJ
Shrimp Fajita Marinade
1/4C Red Wine Vinegar or Fresh Lime Juice
1/4C Olive Oil
2T Soy Sauce
2T Brown Sugar
1T Chili Powder
1tsp Oregano, Mexican preferred.
1/2tsp Kosher Salt
1/2tsp Black Pepper
3-4 Cloves Garlic, Minced.
Combine all and whisk well. Set aside.
Clean Shrimp and add to marinade.
Marinate 30 minutes and drain Shrimp.
Thread on soaked bamboo skewers.
Smoke or Grill as desired till just cooked through.
Makes about 3/4 Cup, enough for 1-2 pounds of Shrimp.
Note: Great on Chicken and Beef also. Marinate 8 to 12 hours.