Along about page 10-14 or so on Eddie's tutorial there was one posted with a black background and jewel windows. Absolutely lovely.
I've also seen them in red.
Check out the CW images on google.
http://www.google.com/images?oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&q=cathedral+window+quilt+images&um=1&ie=UTF-8&source=univ&ei=nPRXTa_xC4-btwfF8ojSDA&sa=X&oi=image_result_group&ct=title&resnum=1&ved=0CCgQsAQwAA&biw=911&bih=384