It's pretty good.
Well done, StickMaster! That was a very amusing and beautiful little animation.
The graphics were excellent; the backgrounds blurring blurred out inconsistencies in smoothness and effectively hid the secret text.
The cowboy music was good, but the voice acting (your voice) was terrible. Your voice quality wasn't nearly as good as your brother's; it seemed like the sound just kind of "cracked" quite a bit. (Jeez, I don't know what I'm saying.)
The joke was funny, random, and unexpected–perfect for a joke-based animation. The secret text was completely unrelated for a movie, also perfect for an easter egg.
Great job!