In a medium bowl, mix together 4 Tbsp. Of the flour, 1 Tsp. Salt, and 1/4 Tsp. Of the pepper. Add the thighs, one at a time, dredging to coat; set aside. In same bowl, make stew mixture by mixing the vegetables, garlic, herbs, cloves, water and vinegar. Pour into a lightly greased large shallow baking dish. Arrange the chicken on top of the mixture. Bake, uncovered in a 425 degree oven for 30 minutes. Reduce the heat to 325 and cook about 15 minutes more, or until juices from chicken run clear. Remove chicken pieces to a platter and keep warm. In a small frying pan, place the stew mixture and heat on medium. Add remaining 2 Tbsp. Flour, 1/2 Tsp. Salt and the 1/4 Tsp. Pepper, stirring until smooth. Gradually add the chicken broth and tomato paste, stirring; simmer on low heat, stirring often, for about 5 minutes. Pour this mixture over the warm chicken and serve with fluffy hot rice.