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:
SIK Keyboard Instrument
We can use the parts and concepts in the SparkFun Invetor's Kit to make a primitive keyboard instrument.
Hazardous Gas Monitor
Build a portable gas monitor to check for dangerous levels of hazardous gases.
Proto Pedal Assembly and Theory Guide
Getting started with the SparkFun Proto Pedal. We'll assemble the board, then discuss some of the details of the circuit.
Introduction to Operational Amplifiers with LTSpice
Picking up where we left off in "Getting Started with LTSpice," we delve a little deeper into LTSpice through an introduction of Operational Amplifiers (OpAmps).
Or check out this blog post for inspiration: