Dunno if it has been posted, but it might be interesting for those who understand french.
https://www.youtube.com/watch?v=FIluE7myR2Y
About his movies:
He explained that they had to dig the canyon for the paragliding clip.
2 weeks to build the tunnel
The were inspired by James Bond
Movie cost 300 000€, half of it paid by Quicksilver
At the end "he is working on a new vid where here will show a lil more than the tip of his skis"