Two flies that have been working for me: FLY Nymph and Gibby's Bead-Eye Bluegill Fly.
FLY Nymph really produced for me on the last trip.
Hook: White River-396 No. 8
Thread: 8/0 Uni-Thread
Tail: Chartreuse floss (clipped)
Body: Tan Fuzzy Leach Yarn
Head: 5/32 gold bead
Gibby's Bead-Eye Bluegill Fly
Hook: No. 14 scud
Thread: 8/0 Uni-Thread
Tail: Pheasnt tail
Body: Dubbing
Wing: Saddle hackle
Eyes: Bead chain