I wasn't there for this workshop, however I did attend the workshop last year, and the blog post can be found here: http://josieindustry.blogspot.com/2010/09/gavin-blue.html
I do like Gavin Blue's use of speedlights, and he is very skilled in creating big effects out of such small devices. The main use for speedlights in my work however is light painting, as I generally only use natural light on location. Speedlights are useful for fill if the subject is backlit, but as I photograph people very rarely I only need my speedlight at night for creating effects.
