Libertarian Presidential Candidates Apparently Always Make Weird Ads

It must be some kind of rule.  In 2008, Mike Gravel released this bizarre (yet boring) ad that involved him throwing a rock in a lake:

And now Gary Johnson wants to bring a little excitement back to fringe Presidential candidate ads.  It's a little bit 90's anti-drug PSA, and it's a lot a bit exploding a watermelon in slow motion:

(who said things haven't gotten better in the last 4 years)