I\'m going nuts trying to do something very simple. I have a number of images in my app that are displayed at certain times. In the course of playing around with retina images,
Try just deleting it from the simulator as you would on a normal iPhone, then running from XCode. If that doesn't work, quit the simluator and go to ${HOME}/Library/Application Support/iPhone Simulator/${OS_VERSION}/Applications. There will be folders for each application named after the application's id. Find the folder for your application and delete it. Then run again from XCode.