I was a video from Kanalgratis.se where Daniel Bergman tie a magic head fly. He cut a little bit of the bottom and it was supposed to enchance the wobbling action. I am going to tie another one and skip the cut on that one and then compare them and see what works better. :)
On FlyFlasher.com you can find 34,622 flies from all over the world. Flash your own fly patterns, upload your current work or search for inspiration. The flies are tagged, so you easily can search for them.