>>Ye-es. I've seen that page and that's the problem: From those snippets, I cannot see where in my page I put the line "Editor1.Setting("security:ImageGalleryPath")= "c:\inetpub\wwwroot\uploads""

 

You can put the above code where you want to change the image gallery path, for example, page_load, page init event.

 

>>The security policy information is more helpful, but that solution would imply having to write a new security policy for every editor instance, whereas in the classic ASP version I can just set the file path in the page.

 

It works same as ASP version. Actually it's better.