There aren't any BC edits in this thread... Each of the edits below goes down as one of the best BC edits in history.
Eric Hjorleifson - attack of la nina athlete extra/the way I see it athlete extra
Paddy Graham - season edit '11
Shane McConkey - claim segment
Eliel Hindert - 10/11 seasonal shred
Seth Morrison - focused segment
As for park edits, there are way too many to choose from, but I'll pick a few of my favorites.
Sammy Carlson at Camp of Champions 2009
Tom Wallisch So Far So Hood Bonus
Nick Martini KoS '09
Parker White/Paul Bergeron in NetWork
Dale Talkington Spring Edit
Obviously this just scratches the surface, but if you haven't seen these, you should look them up, because they're all phenomenal.
"What you are feeling is a base burn. The toilet bowl cleaner probably has a really high pH , and therefore must be neutralized with an acid that has a really low pH. So basically, you just need to stuff your asshole with the most acidic shit you can find, battery acid, sulfuric acid, nitric acid, whatever you can get your hands on. its gonna be a chemical showdown in your asshole today my friend."