This is a rough draft of another attempt to explain keyframing details in A:M.
KeyingShaggyH264_96kbs.mov
I'd be interested in the opinions of new users as to whether it makes sense, is helpful, or if it misses something that ought to be included in such a discussion.
My initial feeling after watching it is that it is too slowly paced, so that's something that might be fixed in another go at it.