I have recently purchased an SM009 smoker and have smoked a few things and have noticed that grease and drippings will build up on the wood box lid which will cause a burnt grease smoke to flavor the meat. I smoke 2 butts that took over 18 hours and it was affected the flavor of the butts. Also I smoked a turkey breast and noticed that it had built up but had not cause a problem. Has any one had this problem and if so what was your solution. I was going to place a tray under the meat to catch the drippings but did not know how this would affect the smoke flavor. Any help?