There are some that need no mention, like smaller pheasant tails and the like. These are some of my favorites that are more off the beaten path. I also do really well on Royal Wulffs, though I do mainly fish them for small stream trout where most things will work.
Parachute Pheasant tail, moose hair tail, pheasant body, 10s work great most of the summer.
Mercers missing link - I like them in brown, yellow and olive, 14s and 16s. I assume fish take them as caddis, but the yellow ones also work great in summertime when there are sulphurs, yellow sallies, and all kinds of other yellow bugs around. I think it looks like a bug in distress more than anything. floats well, you might even get away with a small unweighted dropper.
stealth bomber - this fly was given to me by the guys at the FishHawk in ATL. Great guys, grand warm water fly. I tie them now, the one in the photo is still in my box but is very ragged.
bead chain pheasant tail, tmc200r size 10. bluegill dynamite and the bass take it too.