Here is a great selection of smallmouth bass flies, for fly fishing in much of the United States.
Fishing trip, Smallmouth bass fishing, Bass fishing
Fly Fishing for Smallmouth Bass — The Catawba Angler
SMALLMOUTH BASS FLIES: COMPLETE GUIDE - ToFlyFish
Bass Flies (21 Proven Fly Fishing Patterns That Catch Bass!) - Guide Recommended
Late Spring Early Summer Bass Flies - The View From Harrys Window - A Fly Fishing Blog
Top 5 Flies for Smallmouth Bass
3 Flyfishing Tricks to Catch More Smallmouth Bass – Adamsbuilt Fishing
Fly Fishing for Smallmouth Bass - Fly Fisherman
Smallmouth Flies, Top To Bottom - Fly Fishing Journeys
BIG SMALLMOUTH BASS FLY FISHING IN RIVERS
Late summer can offer explosive topwater smallmouth action
Float and Fly Techniques for Smallmouth Bass - On The Water