I haven't tried it, but I'm sure George's pellet fly would work very well. It's pure genius! I'm actually gonna make some myself and have some feeding-frenzy fun. Here are two links with the information:

http://www.pondboss.com/cgi-bin/ubbcgi/ultimatebb.cgi?ubb=get_topic;f=20;t=001815

http://www.pondboss.com/ubb/ultimatebb.php?ubb=get_topic;f=22;t=000047#000000

"Only after sorrow's hand has bowed your head will life become truly real to you; then you will acquire the noble spirituality which intensifies the reality of life. I go to an all-powerful God. Beyond that I have no knowledge--no fear--only faith."