Hey Meowzer,
Use the bark and the wood. Does your smoker have a water pan? I do not think those models do with the "fire on the side" do. If it does put some onion, pineapple juice and garlic in the water pan as well. If not you will need to baste/mop the meat at least once through the cooking process so it does not dry out. You will be able to tell. When you check the temp of the meat put the thermometer closest to the bone, the USDA recommends the internal temp be 160 degrees.
Preparation:
Leave all the skin on, brine it in a salt bath with thyme and rosemary overnight, in the morning pull it out of the brine and inject it with that injectable stuff you found (that stuff is the bomb!) Then rub the skin down with salt and pepper, garlic powder, Cheyenne pepper, paprika. Depending on how you place the bird on the rack and how the heat comes through, you could put some pineapple or a lemon wedge or both to in the cavity brighten up the flavor and add some acid to really get the meat to be "fall of the bone tender"
Smoking:
Put the meat on after you have a stable fire going. The hardcore smoker you wood, charcoal. I cheat and use a propane one because it is much easier to control the temp.
Depending on the size of the bird, figure 30 mins a lb at 225 degrees. I recommend using apple or cherry wood chunks, it has a much milder smoke flavor than mesquite or hickory.
After 2-3 hours check it and baste it with some sort of liquid/sauce to add some moisture. Keep in mind every time you open the smoker, all the heat comes out and you need to let it warm back up. However, in this summer weather we are having you will probably have trouble keeping the think below 300 degrees.
After you are 75 -80% through your scheduled cooking time again depending on the weight of the bird, poke it with the thermometer, check the temp and cover it with your favorite BBQ sauce the you warmed up in the microwave so you don't cool it off. Get it to 160 gegrees and you are done.