Have one? Here's one that developed over time - it started out as a simple substitution of "portobello mushrooms" for "roast beef" and the next thing you know...
THIS LITTLE GREEN PIGGY
* This little piggy went to the locally grown, organic farmers market and this little piggy chose to stay home to do domestic engineering chores.
* This little piggy had locally grown, organic portobello mushrooms and this little piggy went on a detox cleansing diet.
* And THIIIIIS little piggy took public transportation AAAALLLLLLLLLLLL the way home to his co-housing cooperative living domicile.