Cut ribs in half place in crock. Pour one and 3/4 of the Dr Pepper into the crockpot put on low for six hours when crockpot is almost done mixed together the remainder of your Dr Pepper, the barbecue sauce, pepper, and garlic to taste and a teaspoon of liquid smoke. Take the ribs out of the crockpot coat place on baking sheet with the barbecue sauce and put in the oven on broil for 5 to 10 minutes.