Feedback on: irt.org FAQ Knowledge Base Q830
There are Java-based products that make right clicking to save images near impossible. Check out www.artistscope.com
Never say "never" or "it can't be done"!
You could make a CGI script that feeds the image to the browser (very simple to do with Perl). In the browser, the image would be linked to as "image.pl" or "image.cgi" or etc. Now you've hidden the actual file name of the image.
Very worth reading