I knew some of the scenes in German before I got the book, but it's still extremely funny.

There are just so many great quotes and scenes that it's hard to tell which one's my favorite, but I'll try.
I guess my favorite story would be Monkeys Violating the Heavenly Temple, closely followed by the nameless saloon scenario from 1996.
The ridiculousness of it all just made my day. I love that kind of humor.
I can't settle for a quote, but among the several that made me laugh most must be these:
Sam: "I'll just stash this behind a bush."
or
Max: "DEATH FROM ABOVE! AIEEEE!"
Really just about everything Max ever says.
My favorite activity page has always been (and probably will always be) the paper bag Max-head puppet. I love it so much I used to have a copy of it in a frame on my wall when I was younger. It also became a victim of my fan-art ambitions. Behold the majesty of nail polish on egg:
(yeah, I got carried away with it. Sorry.)