The blocks of white oak included with the Jack Daniel's briquettes make nice smoke, but don't impart any of the liquor flavor... not that I can tell at least.
I can say I'm not impressed with the charcoal.
New Braunfels Hondo Offset
New Braunfels Bandera (Refurbished, Modified & Improved)
32 year old Char-Broil 450
1996 Blue Weber SS Performer
2003 Black Weber SS Performer
Weber 22.5 OTS converted to OTG with rotisserie & Smokenator
Weber SJS & modified stock pot Mini-WSM
STOK Island gasser