Which is funnier: pipes, cigars, or cigarettes?
Clue: This is according to a guide to drawing comics
Answer: Cigarettes. “Draw them with smoke swirling up from the tip, and guffaws are guaranteed.” (The answer is in black text on the black background. Highlight it to view.)
Citation: Suck School of Comic Art, Suck.com, (Nov. 7, 1997)