The log gag was reused footage from "All this and Rabbit Stew" (1942) where Bugs and Elmer Chases each other around the tree log.
When Daffy dances to Jeepers Creepers that is reused animation footage from "Bugs Bunny Rides Again" (1948), "Hot Cross Bunny" (1948), and "Show Biz Bugs" (1957).
This was the last cartoon for which Arthur Q. Bryan would supply the voice of Elmer Fudd.
When Daffy was imitating Ted Louis, that was a very similar reused animation (or gag) from Curtain Razor released in 1949.
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