Good guide
I make some more general suggestions in my FAQ
Q. How can I get Twonky to provide full size artwork to media-playing clients?
Q. How can I change the media ‘views’ I see in my DLNA client?
http://community.wd.com/t5/My-Cloud/FAQ-Twonky-DLNA-Media-Server-Setup-amp-Use/td-p/858810
The tutorial you couldn’t remember may have been this: