As Smokey mentioned "why we ride," which I've seen before. From memory I think someone had posted a link for it in another similar thread somewhere on this site. A couple movie titles you might be interested in are "Easy rider", or "Stone". I think I may have Easy Rider on DVD, but I haven't seen "Stone" yet.
Loved Easyrider and seen it many times including at the movies back in 1970. The whole thing was adlib and made on a shoestring budget. And yes, the cast and crew were stoned most of the time. In regards to the scenery, it was filmed like that for a reason. Stone was great as well,but maybe not to the crowd that have been used to Spectaculars for the last 20 years.
Otherwise, the El Diablo Runs and the Gypsy Runs etc are worth watching on Utube.
My picks are:
the Wild One. Brando was OK but Lee Marvin was great!
Easy Rider up until they get to New Orleans
On Any Sunday
Mask - I haven't seen it since I saw it at the pictures in 1985 but I've just ordered it on DVD
Stone - An Aussie classic! I lived in Balmain for about 5 years just near where the pub scenes were filmed. It's now used as an office. The original Banditos "City" clubhouse was not too far from there although apparently, local Hell's angels played the part of the Black Hawks (rival club) in the movie.
Another Aussie one that I havn't seen yet is the Marriage of Figaro. I knew a few of the crew involved from a few years ago (so I'm told - I don't remember) as well as the house where some of it was filmed. Not exactly a bike film but he does ride a HD.
I know there's more but that's all I can think of at the moment - better get back to work....