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:
Sound Detector Hookup Guide
The Sound Detector is a microphone with a binary output. This guide explains how it works and how you can use it in your projects.
SparkPunk Sequencer Theory and Applications Guide
Examine the inner workings of the SparkPunk Sequencer, then explore some modifications and alternate applications.
Or check out this blog post for inspiration: