You can buy the good stuff from Punisher Lures and here's a great article about using craft hair on jigs.
http://www.punisherlures.com/component/page,shop.product_details/flypage,shop.flypage/product_id,78/category_id,85/option,com_virtuemart/itemid,78/
http://sports.espn.go.com/outdoors/bassmaster/columns/story?page=b_col_bt_lure_tech_0512
Fatman