On the drifting note. Don't setup a drift over an area another guy is working. That's my biggest pet peave. If I've been methodically working an area for a 1/2hr and you stop right where I've been casting, I won't be too happy. I probably won't say anything, but I'll think it. I recently had that happen. I did at least 10 short drifts in the same 30' and some guy (who'd been slowly working my way) stopped right on top of where I was casting. We were in 50' so the splashing wasn't an issue, but I wanted to be casting across where he was.
Bad form.