Hi TH ... I use 1/0's a lot with them, and often 2/0's when fished with bait. I've used magic markers on the heads, but only do it with black when the water is extremely clear. The aeropuffs are very good too, I use them a lot in the selective fishery areas. The fish on the top of the river reports page is an aeropuff (fished solo) caught fish. Yep, fish 'em like any other sort of drift gear ... on place the marabou aerofly works extremely well is in the dead water current seams as it swings in the still water. Good luck!