A few weeks ago we posted I posted a video of Richard Poage showing his take on Passai-Dai:
http://www.iainabernethy.co.uk/content/bunkai-passai-dai-tawada-passai-richard-poage
That video was very popular and Richard also sent me this video of him teaching some core applications from Naihanchi Shodan Bunkai:
Enjoy!
All the best,
Iain