http://64.233.187.104/search?q=cache:bYDqmjU3HFcJ:www.equipodiatry.com/topics.html+%22broken+back+hoof+pastern+axis%22&hl=en
Tuffy's foot looks like the first picture, but a little worse.
That looks very painful. So the ferrier builds him a shoe to raise it up?
You see hooves like this all the time on gaited horses. Some people actually leave an extremely long toe like this on purpose to smooth out a pacey horse. It's crazy!