(video) Spank Your Tomatoes...!Submitted by oceanoz on Sat, 03/23/2013 - 19:49
The title of this video caught my attention. Apparently it helps with pollenation, stimulates growth, and keeps them from misbehaving ;)
Here is a different video using aspirin to trick your tomatoes to release a defense against disease.
I haven't tried either method yet, but sounded interesting.