Don't know if you've seen this site
(part of Nissan UK's site) if you click on the 'off road skills' menu on the Pathfinder link there's a few video clips of the 'right' (?) way of doing things.
Good point you make there regarding tyre choice Racer, over here there's very little in the way of choice in the same size as the OEM fit. There's loads of choice if you've got 16" rims instead of the 17" I have. Hopefully that'll change soon as there's loads of Navara's on the road now and Pathfinders seem to be getting a bit more popular too, guess I'll have to wait and see.