How to create Mac ICNS files  Mac OS X programming FAQ: How can
I create a Mac ICNS file for my Mac application?  Lately I've
been creating a series of small Mac applications, and as part of
that I needed to learn how to make Mac ICNS files from standard
image files (PNG, JPG, other). Today I offer a quick tip of my
hat to the makers of a Mac application named FastIcns that lets
you do just this.  FastIcns is a small, free application from a
company named Digital Waters that lets you create a Mac
ICNS file from a PNG, JPEG, or other image file very easily.
Here's how to do it.  How to create a Mac ICNS file with
FastIcns  To create a Mac ICNS file from a PNG or JPEG image
file using FastIcns, just follow these steps:    1. Start
FastIcns. You'll see a spinning cube, which isn't really funny
at first, but you'll get the idea soon.   2. Find a picture or
other JPG, PNG, or TIFF you want to convert to a Mac ICNS file.
Have that image file on your desktop, or otherwise in your Mac
Finder.   3. Drag the image file