One of my favorite movies of all time :D
Only thing I have a beef with is that there is no notation of the original author. If you made the bowling ball and pins, you should state that. And if you didn't, you should note who did make the bowling balls.
But a great spray overall, no flaws other than the credits (maybe).
Btw, my favorite quote is when the Dude takes a hit and says "that's a bummer man" when he's high.