Sorry for the delay Dave.
The 'plugin' that I'm hoping to include is simply a different view of the data already held in the database but only available from the Admin interface. So, I'd like to write something that's essentially a viewer, but have the software automatically create a menu option in the cmsAdmin area.
But, I think it would be good to allow any type of plugin to be added in this way. That way, someone could write a plugin to do anything and it still be included in the same look and feel as the rest of the cmsAdmin sections.
Hope that makes sense!
Thanks, Paul.