+1 on the Minion method. This "system" works great on any barrel type cooker...I've used it very successfully on the WSM and inexpensive Brinkmann cookers. Fuel economy and temp control are your friend!!
Southern Brethren BBQ Competition Team
"It's all about getting paid!" - Myron Mixon
"I love being hated in my hometown!" - David Hair
KingFisher Gator Rotisserie cooker, WSM, Stainless 5 burner with IR gas grill, Turkey Fryer, Weber JD Commemorative grill, slightly used Bandera chamber for future use as a cold smoker, Masterbuilt 40" insulated ELECTRIC smoker