Hi,

Although there is some great info out there about how to create custom templates, I thought was worth pointing out that changing the admin template is different from applying templates to the rest of the site.

I made a short guide on my site which might help others new to Cuyahoga:
http://www.aaronblake.co.uk/blog/2009/09/30/cuyahoga-how-to-change-the-admin-template/