You could've applied for some Redbull sponsorship for that credit mention. :P Love the animation, and I'm surprised it hasn't been done earlier, the simplest ideas turn out great. Apart from the after-credit speech, I like how wordless this is as well, no speech needed to convey the message... and it's a good message.
The sceneries are somehow a bit plain in contrast to the grandeur I was expecting, not so much detail in the landscapes themselves. For the characters however, the animation is incredibly fluent, and the sound is perfect, lifelike sounds for insects, movements, items... pretty much everything. Great watch!
-cd-