Garlic, Kokanee, Craw/Anise are some of my favorites.
Northwest Bait & Scent Graybill's Guide Formula - The great thing about Graybill's Guide Formulas, is that you can use multiple "flavors" to mix up a concoction the fish can't resist! Try Graybill's Salmon, Sand Shrimp and Garlic Formulas with Tuna in water.