> I've seen this before, mainly on Warez sites and such. Could be a trojan... when you execute instructions from an admitted thief you can never be quite sure which instructions you're executing: http://www.google.com/search?q=warez+malware > I'm putting up a mockup image of a design for a client & we don't > want them to Save it and use it internally instead of hiring us. Most people are honest and square. Some aren't. What leads you to believe you're dealing with a dishonest person? (If this is actually "How can I prevent a client from using an image on a mockup?", then put a big ol' "DEMO" watermark on the image.) jd John Dowdell, Macromedia Developer Support, San Francisco (Best to reply on-list, to avoid my mighty spam filters!) Technotes: http://www.macromedia.com/support/search/ Column: http://www.macromedia.com/desdev/jd_forum/ Technical daily diary: http://jdmx.blogspot.com/