Trey gave a lecture at Google headquarters. You can see it here. I've heard him speak on a few occasions and each time there are a few words or sentences that clarify some issues that I'm having while processing my HDR images. Listen closely and I'm sure you'll pick up a few pointers. He also shows many of his images and that helps me with subject matter and composition. I know you'll enjoy it.
In other news, Photoshop is 20 years old. Click the above to watch a short documentary and see how it all got started.