Guide to body language - I should probably study up on this since I'm going to be a teacher!
The Sneaky Psychology Of Advertising
Language and the brain.
Body Language Meme - Envy. by `Endling on deviantART
Non-verbal communication/body language
Your body language can say a lot... what are you saying to your potential customers/clients?
Body Language Infographic
body language revealed
know your body language
Using Body Language To Be More Attractive