Try small jigs. Read this and focus on the "how" and "why". The type of jig doesn't matter.
Charlie Brewer's Slider Company - Weedless Crappie Slider "Why&How"
Get a light spinning outfit 5.5'-7' long and matching reel and 4# line. BP and Cabela's will be having their spring sales soon (including the annual Crappie Madness.) They will have good outfits on sale.