I've been thinking about going back to my boxing gym...I stopped when I hurt my back, but that seems better now. I think now I would counter punch better than I used to just by learning from these videos

Here's some good counter moves
http://www.youtube.com/watch?v=MWbYhbDwwCM

And this guy
YouTube - billiardjay's Channel
Has some very good vids up on youtube, but the embedding is disabled so you'll have to look them up yourself