who has the most informative vid.dvd or ill book on waterfowl hunting. As decoy spreads for multie species .who where and why's of relation of divers and puddlers and geese. mostly open water marshes.I am looking for the little things that really make the big differnces in a succesful hunt. I dont want a entertainment video I want the in and out and why. also hopefully containing illustration in relation to pockets,bays and open water.I have been hunting waterfowl since the 70's but I am on a quest for something intamate and illastrated.