New Zealand-based iPhone developer David Frampton has posted an image to his Flickr account depicting a new way for iPhone app icons to be displayed on the iPad. Instead of the current model, under which the iPhone applications’ 57x57 icons are upscaled to the higher 72x72 resolution of iPad app icons and displayed alongside, Frampton suggests Apple use black borders around the 57x57 icon to denote the application as a lower-resolution iPhone…