Adam,

 

We are encountering similar problems where the properties you have mentioned previously have not worked at all. 

 

We have an admistration site for our web site (http://admin.greenspringstech.com) which is not the same URL as our web site (http://www.greenspringstech.com).  What happens is that when we edit pages from the admin site the editor replaces the relative links like "images/test.jpg" with "http://admin.greenspringstech.com/images/test.jpg".  We have the following set on the page that contains the Cute Editor and none of them seem to work at all: