Here are a few we've done in the past while:
http://www.flyfishfood.com/2013/11/t...era-hunts.html ---> great for both stillwater and rivers
http://www.flyfishfood.com/2013/11/f...llibaetis.html ---> A good callibaetis
This is a fun one too: http://www.flyfishfood.com/2013/05/green-spot-pheasant-tail.html
Have fun!