Developed as chapter 6 of Manning's "iPhone in Practice" book by Bear Cahill.
Where Am I Parked? is a useful app for remembering where you parked. It allows you to mark you spot on a map, make a text note and even save an picture taken with the camera.
Learn how to develop this app in "iPhone in Practice." Read more about the book (and get a coupon code) here: http://brainwashinc.wordpress.com/iphone-dev-book/