Overpowering the sun with Off-Camera Flash - What are my settings?

Teaching a class on using off-camera flash at a photography convention, I took a group of attendees outside on the street with two models. Then I stepped them through the thought-process in how to get to your basic, fail-safe, works-everytime settings for off-camera flash. We specifically looked here at camera and flash settings to match / over-power the sun. Regular visitors to the Tangents blog and those who have read my books on flash photography, should know the algorithm off by heart. There's a specific  Read more inside...