By now, you've no doubt heard about 'Jackass' star Ryan Dunn's fatal car crash - which ended the funnyman's life far too soon.  We scoured the web and came up with some videos of Ryan's best moments from his time on 'Jackass', 'Viva La Bam', 'CKY', and even a now-eerie trailer from a yet-to-be-released movie starring Ryan as a "party bum slacker who returns from the dead as a mischevious and perverted ghost".  As you might expect, lots of this is extremely NSFW.  RIP, Ryan.

This fan-made video captured some great (and painful) stunts from Ryan with some of the 'CKY' and 'Jackass' crew:

Ryan meets jet engine, in 'Jackass 3D':

Ryan's debut on MTV Cribs in the early days of 'Jackass':

Ryan's golf cart destruction was legendary:

Ryan finds an interesting use for a toy car, in 'Jackass: The Movie":

"Living Will" - the trailer.  Ryan's final movie project, which was in post-production at the time of his death:

And Ryan's favorite clips of other people on the web, in his own words - from a couple of weeks ago: