Icon plug-in for photoshop
How to install
Unpack archive and copy “ico.8bi” and “png.8bi” files
into the “File Formats” folder inside your Photoshop Plugins folder.
Quit and relaunch Photoshop, if it’s already running.
How to use the plugin
Use Photoshop’s Open command from the File menu
to open .ICO files (which will now appear in the file browser)
Use Photoshop’s Save command to create .ICO files
or to add images to existing icons.