Need total-image security from 'snagit', etc

[LEFT]Hi there. I have been out of the loop for quite a while and haven’t posted for a while.

I am building a web page and in the portfolio section of the site, I will have images that I really want to keep from copy-cats and the like.

I know that in deviant art there are certain images that you cannot download ‘OR’ snag… Each time I attempted to copy or ‘snag’ it, the image result was a completely blank window.

How do they do this? And does this feature be available with complete flash interoperability?

Thank you much.