Seed and cut the peppers into 1/2 inch pieces. Cut the onion into 1/4 inch pieces. Cut & seed the fresh tomatoes into 1/2 inch pieces. Chop the fresh cilantro. Saute peppers, onion, and garlic in oil for 5 minutes. Add rice and cook for 2 minutes stirring occasionally. Stir in the remaining ingredients except the scallions and cilantro. Cover and cook over medium-low heat for 20 minutes or until all liquid is absorbed. Stir in the scallions and cilantro and toss gently. Serve hot.