If you've not been exposed to this yet, see here:
Then there's "Smurfing beer" - quote: "you don't get drunk and it isn't dear" (It isn't beer)
The Pinoccio song questions - quote "Pinoccio, Pinoccio, why are you made of wood?"
The annoying but up-beat Dippety-Do song:
Looking at the album cover I wonder exactly what happens when the floating-head of Father Abraham appears in Smurfland - do they panic and start singing lest he smite them? (Notice the bad image job where the top of a mushroom-house has been cropped off on the right)