Here is some amazing information including pictures and videos of vaginal breech births. It can be done! Sadly residents are not learning how to support vaginal breech births, so they in turn do not practice it in their practice. Its nice to know the art is still being practiced and passed on.
http://www.homebirth.net.au/category/birth/breech-birth
http://www.homebirth.net.au/2010/01/frank-breech-video.html