- build the icons as reouse file by IconBuilder. IconBuilder is plug-in of Adobe Photoshop or Macromedia Fireworks MX. Make sure the icon file made by IconBuilder is saved in .icns format. (for MAC of course)
- Drag the resource file into your Xcode project
- Open the nib file in your Xcode project, you can see the icons in Images tab
- IconFactory’s FAQ : Any tips with 32-bit Mac icons (in NIB files)?