On September 16, 2007 kayakers Tommy Hilleke, Fred Corriell, Eric Boomer, Willie Kern, Anthony Yap, Pat Camblin, John Grace, Billy Murphy and Joe Barkley embarked on a short 5 day trip on the Mecatina River. This was most likely first ever descent down the canyon section of the infamous river.
http://lvmtv.lvmvideo.com/2007/10/index.html
Scroll down to October 1 and October 9 entries. Page contains also video (latest Quicktime required to view it).
December section contains probably the best Petite Mecatina video, but you have to suffer first half full of advertisements:
http://www.lvmvideo.com/lvmTV.lasso?-search&-Database=videos_mysql&-Table=one&week_of=2007-12-13