Sorry, I didn't come back to this thread yesterday. The link is http://likethought.com/lockfocus/2008/05/compiling-opacity-images/ http://likethought.com/lockfo

Sorry, I didn't come back to this thread yesterday. The link is http://likethought.com/lockfocus/2008/05/compiling-opacity-images/ http://likethought.com/lockfocus/2008/05/compiling-opacity-i... "Opacity includes opacityutil, a command line utility that can convert images between the formats supported by Opacity. You can use this functionality in Xcode to create a Build Rule that will dynamically convert .opacity images in your project to TIFF files (or any other supported format) at compile time."