Firefox 1.5 CCK (Client Customization Kit) 1.0

The Firefox 1.5 CCK can be used to create an extension that customizes Firefox. It allows the following customizations:

Add identifer to the user agent string
Change the default home page and startup override home page
Change the title bar text
Change the animated logo
Change the web page and tooltip used for the animated logo
Add a help menu item that links to a web page
Provide sites for which popups and XPInstalls are allowed by default
Preinstall browser plug-ins
Preinstall search engines
Add folders, bookmarks and live bookmarks to the personal toolbar
Add folders, bookmarks and live bookmarks to the bookmarks folder
Set default preferences
Lock preferences
Add registry keys (Windows only)
Add certificates
Set default proxy configurations
Package other XPIs with your distribution
Disable about:config

Download: Firefox 1.5 CCK (Client Customization Kit) 1.0