I am in the process of creating my new web site. I have original art to sell and don't want anyone to be able to download it. I want to make it as Flickr.com has it.......if someone tries they get a spaceball.gif and nothing else. Do you have a soultion like this for me! - Thanks

There is no safe way to protect against copying if you post your original photo on the web.
Even the Flickr.com one, you may get a dummy image instead. But people can retrieve the photo from the browser cache or even make a screen capture.

You may consider put a watermark on top of your photos. Watermarking can definitely protect your photos from copying.
We have a software call PhotoX, which helps you to put watermark on top of multiple photos in a batch. You can then post watermarked photos on the web.

You can find further information in following URL
http://www.evinco.com.hk/eng/photox.html

The free trial version can be found here:
http://www.evinco.com.hk/photox/setup.exe