TEE pictures furnished by Dr. Donald Oxorn, UW Anesthesiologist
You might also like to visit the Canadian Society of Echocardiography-Cardiomath Echo Calculator
For those with smartphones or iPads I recommend the following apps as excellent reference guides. The first is from the University of Toronto (same folks who brought you the Virtual TEE website) and the next 3 are from the American Society of Echocardiography
American Society of Echocardiography
Echo AUC
iTunes Preview
American Society of Echocardiography
ASE Pocket Guidelines
iTunes Preview
American Society of Echocardiography
iASE
iTunes Preview