For the heavy turkey loads, best results so far have been with 80grs FFF, 2 os cards, a bit of cedar or tow, 2 OS cards, 120grs by volume #6s, 1 OS card. For small game, I use 60grs FFF, 3 OS cards, 80grs volume #6s, and 1 OS card.
I know some will say that my turkey load is too heavy, but please keep in mind that I have a 15/16" straight octagon barrel, and not a light weight and fast handling fowler. Also, that is what has been giving me the tightest patterns so far with enough velocity to pass the can test. I have made a wooden tool to seat the cloth "shotcups", but haven't had a chance to go out and do much testing with the cloth "shotcups" yet. I actually made two, one that just seats the light pellet load, and one double ended one that does both of these loads. So far, with VERY limited testing, I do see some improvement, but it hasn't been very consistent yet, so I need to do more load development before I will hunt with it. I also haven't tried any shot other than #6s and #4 buck, so need to try different sizes sometime when funds allow.