I don't have a picture because I have never tied one properly but I love this pattern.

It is called the "bead head rock roller" or "beaded rock roller". Look it up and let me know what you think. I really think it could be an awesome jig in the right colors for crappie and gills.

Bead Head Rock Roller Caddis - Fly

That is a link to the best pictures I have found for it. If I could actually tie the darn thing I would have many of them for a lot of different species.