There are a quite a few folks trolling crankbaits now and im sure i could learn from a lot of them. Just keep in mind though this is just what has worked for me.
Trolling For Crappie Easy Winter Angling Action Al Com
Big Baits For Big Crappie
Rattlin Wasp Walleye Smallmouth Bass And Crappie Trolling
Using Small Planer Boards For Crappie Fishing Mossy Oak
Crappie Sinker Rigs