Greetings Mike.  The http://demo.dotnetnuke.com site only provides Admin level access and has some limitations to admin capability for security reasons (the Host can restrict the uploading of skins by Admins).  Skin uploads do present a potential  security risk (which is why Admin is role which requires trust).  In the demo scenario, where we "blindly" give Admin access, this particular feature has to be limited to ensure protection for the site.

You should be able to easily install a local instance of DotNetNuke and there is plenty of support around here to help you with that.  You'll be able to have full control and better understand ALL of DotNetNuke's features then.

Cheers

Scott Willhite, Co-Founder DNN

Thanks Scott and Peter,  I knew there had to be skinning documentation somewhere!  Unfortunately I'm on a Mac, so I can't test it locally.  Quickly looking at the skinning doc, I noticed that tables are used for layout.  This is definitely "old school" wih divs being the best way to layout a website.  I was wondering if this was a requirement to use tables, and if not, is there any drawbacks to using divs?  Thanks!