For those of you that enjoy watching fly tying videos as I do, check out Davie McPhail's set of vids on YouTube. Some of his flies probably aren't as useful on this side of the pond, but there are plenty that are and you can definitely pick up some useful tips and techniques. I really enjoy his tying style and comments on the various patterns. The accent is fun too.
Here he is tying an elk hair caddis with rubber legs: