When deploying the application to the device, the program will quit after a few cycles with the following error:
Program received signal: \"EXC_BAD_ACCESS\".
The 2010 WWDC videos are available to any participants in the apple developer program. There's a great video: "Session 311 - Advanced Memory Analysis with Instruments" that shows some examples of using zombies in instruments and debugging other memory problems.
For a link to the login page click HERE.