How to display an image on a MKOverlayView?

Question

UPDATE:

Images who are projected on the MKMapView using a MKOverlayView use the Mercator projection, while the image that I use as input data uses

Answer 1

Apple has a sample app from WWDC that parses KML and displays it on a map. If you are a paid developer you can access it from the WWDC videos page in iTunes. I recommend using their parser.