I am not a parent myself, but a friend just gave me this very excellent tip for keeping your kids calm and under your control.
Tough Love vs. Spanking
Most people nowadays think it improper to spank children, so I have tried other methods to control my children when they have one of 'those moments.'
One that I have found very effective is for me to just take the child for a car ride during which I say nothing and give the child the opportunity to reflect on his or her behaviour.
I don't know whether it's the steady vibration from the car, or just the time away from any distractions such as TV, Video Games, Computer, IPod, etc.
Either way, my kids usually calm down and stop misbehaving after our car ride together. I believe that eye to eye contact during these sessions is an important element in achieving the desired results.
I've included a photo below of one of my sessions with my son, in case you would like to use the technique.http://img.photobucket.com/albums/v289/spidrocks/image0011.jpg