Okay, so my only experience with flash is on-camera popup and I've never been much of a fan. I'd like to start getting into lighting a little bit, but there are so many confusing pieces...oh, and I want to do this cheap. $200 for the FL-36R is not an option while I still don't know what I'm doing or what I want. I have a PM1 and a G2 will arrive shortly. I guess there are manual flashes, automatic flashes where you dial in settings to copy the camera, and TTL flashes that actually communicate with the body. It's only the last kind I'm interested in. It sometimes sounds like I have to get an Olympus to get TTL, but I'm kind of vague on the details...and apparently there's Super TTL also? I found this: Vivitar DF293 Digital TTL Auto-Focus Flash for Olympus | eBay And some mention of the Nissin di466 but I'm confused about what level of functionality you get. Then there's the question of wireless control. I guess Olympus has remote control, but some flashes also have slave mode. What's the difference? Last, how do I get into this whole lighting thing under a hundred bucks? I've been eyeing the LED panels with some curiosity, but they seem more studio oriented I guess. I was thinking of trying some high-speed photography but versatility is the main goal here.