Global FlyFisher -
All kinds of flies from all over the globe
The CDC & Elk family
Suggestion: Mark Dysinger has been chasing smallmouth bass with the flyrod for many years, and during that time he's come across some surprisingly difficult fish. Super clear water and high fishing pressure can make these bass as fussy and easily spooked as any educated trout.
This may be the method and patterns that saves the day
The Perfect Woolly
Bugger!: Many flies were developed from the Woolly Bugger, German Raoul Kempkes got back to it and created a very simple pattern which is extremely durable and very easy to tie. Only a few materials are needed to tie a great pattern which is highly versatile. The perfect Woolly Bugger!
Learn to tie it here
Read the article about the Susquehanna River
There are plenty of good crayfish patterns especially the Clouser and Whitlock flies. I keep my version very simple. For this fly, the "big fly for big bass" rule is the exception. A small crayfish (2 inches or less) with small pinchers is preferable to a larger imitation. Brown over orange and olive over yellow are two good color cominations.