Cook brown rice according to package instructions. While the rice is cooking, prepare the rest of the dish. In a medium or large skillet, heat olive oil over medium heat. Add shrimp, salt & pepper both sides evenly, and add 1 teaspoon of lime juice. Stir and sauté shrimp about 2 minutes on each side, cooking until the shrimp turns pink. Set aside on a plate.In two bowls, add the cooked brown rice. Top with equal amounts of cooked shrimp, chopped avocados, and chopped tomatoes; squeeze about a ½ teaspoon of fresh lime juice over each bowl. Sprinkle chopped dill evenly over each bowl. Season with salt & pepper to taste. Eat up!