Slim, from your pic above, it looks like you have one of your vanes lined up to go right through the black part of the WB. Perhaps not since you shoot fingers, but the fact that it's more "wavy" and distorted than the other two suggests you are getting hard contact.

You may want to rotate your nocks so that the vanes clear the black fibers and see if you get better arrow flight. Of course this will most likely necessitate a retune and sight in, so keep that in mind...