Marshall Cooper fires up his two main backyard pits, a Jambo J-3, front, and a custom oversize Pitts & Spits smoker. (Photo ©Chris Wilkins/Texas BBQ Posse) You have visited plenty of stops on the Texas BBQ trail and know what good barbecue is. You’ve experimented on the grill in the backyard, but need to buy the proper equipment to take the next step of becoming a serious backyard smoker and pit master. Here are a few simple tips and options to help you make the right choice of backyard smoker. Determine how many people you want to cook for at…