The blooper reel or "additional stuff" actually gives some much-needed background into a couple of the characters, including a very funny explanation as to why Larry does not swear on camera. This scene was ironically based on the real-life condition of actor Lou Israel, who calls it "Reverse Tourette's Syndrome".
One ear of the Elf was lost during production and has yet to be found. A local legend has it that the one who finds 'The Lost Elfin Ear' will live long into old age without infirmity or disease and die with a secret smile.
Rusty apparently kept the five bucks he got from Larry, invested it wisely and is now a very rich man.
The original cave scene locations where the Wizard discovers the lost city of Camembert were washed out by unexpected rains.