Electret Mic Breakout Board Hookup Guide
Contributors:
LightningHawk
LightningHawk 
Resources and Going Further
A quick Google search for "Electret Mic Breakout" will get you going for any type of project you may want to create. Here are a few of my favorites from Instructables.
If you need to add sound to your next project but need something a little more sensitive, robust or a little more useful, I recommend the SparkFun Sound Detector.
Documents
For more audio fun, check out these other great SparkFun tutorials:
Interactive Hanging LED Array
Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.
Cackling Apple Head Witch
Make your own cackling apple head witch to scare all of the trick or treaters this Halloween!
Sound Reactive EL Wire Costume
Learn how to make your EL wire costumes sound reactive in this project tutorial.
Hazardous Gas Monitor
Build a portable gas monitor to check for dangerous levels of hazardous gases.
Or check out this blog post for inspiration: