I've got a number of static HTML files on my site that Zope keeps putting BASE tags into. IMHO, it is inadvertantly appending a slash onto the end of the HREF. For example a file called default.htm in the classified directory ends up with a base tag of: <base href="http://www.nationalmortgagenews.com/classified/default.htm/"> I would think this should be: <base href="http://www.nationalmortgagenews.com/classified/default.htm"> So I have modified: OFS.Image.File.index_html to strip the trailing slash by adding: # clean up the base if neccessary if( RESPONSE.base[-1:] == '/' ): RESPONSE.base = RESPONSE.base[:-1] What think you? -Jon