When I saw this "Peek-A-Boo" box I just had to try it. Here's the tutorial:
http://www.splitcoaststampers.com/forums/showthread.php?t=289773&page=3

I used the snowman from my SU! Very Merry set and typed the saying using Word.

Here's a site with many more poems:

http://www.sawyers-specialties.com/poops/Holiday-Poop-Candy-Treat.php

I love how it turned out! I hope it's not inappropriate to give these out to my co-workers :)