butterfly eggs?

I don't know but I guess that's sort of like a stereotypical Okinawa souvenier(cause of it's tropical climate).
Just like tourists here in Holland buy little wooden shoes, windmills statues, tulip bulbs or Marihuana seeds.

Did you ever notice that people who believe in creationism look realy un-evolved? - Bill Hicks

I thought it was a reference to the Butterfly effect, which is apt, judging by the way the movie unfolds.

Egg fly butter.

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It is a tale told by an idiot, full of sound and fury, signifying nothing .