To simplify using My Coloring Book on Joomla sites, we've created a new Joomla component.
This required more flexibility in where My Coloring Book stored coloring pages, and how it got configuration settings, and its licence.
With the new version, you can give the coloring book a folder name, a file name, OR a URL to use for the configuration and the licence. This means you can dynamically create the config, for example.
A new parameter in the config file also tells My Coloring Book where to look for its coloring pages.
There is are also extra settings to control the transparency of parts of the interface.
Note: As of July 2014, the Joomla component is no longer supported.