I go with Bill's suggestion for the first time out -- buy Tony's -- it even comes with an injector.
I use a different brand of Creole Butter injection but don't remember the name right now. Nice buttery flavor with just a touch of garlic and spice.
Matter of fact our Sam's Club has a three pack of Creole Butter with an injector.
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