This is the one I use the most. It is sweet and has a nice smoky flavor to it.
1/2 cup ketchup 1/2 cup red wine vinegar 1/4 cup brown sugar 1/8 cup molasses 1/2 teaspoon Liquid Smoke 1/2 teaspoon salt 1/4 teaspoon pepper 1/4 teaspoon garlic powder 1/4 teaspoon onion powder
Combine all ingredients and bring to boil. Simmer 30 minutes or till desired thickness.