We have been practicing and getting ready for the Time Trials that await us and we have been talking about quite a bit.
Body position is the most important factor when talking about being aero so I wanted to give pictorial examples.
Here are some examples of riders positions from the Vuelta a Espana. It is going on right now and they just had the time trial yesterday.
http://velonews.competitor.com/2013/09/gallery/gallery-2013-vuelta-a-espana-stage-11_301557
You can also watch footage here:
I hope these links are useful and they get you excited.