Even the pics in ambriel's site can be stolen (if I use IE so I can actually see them) by doing a screen print and pasting the print into photoshop, where it could be edited, watermark removed etc etc.
Absolutely, I don't think I claimed anything to the contrary. It's just an alternative way of foiling the right-click merchants. It's visible on your PC so if you look hard enough you'll find it in the cache.
I see what you mean with Firefox. Interesting. I'll have to look into what the problem is. Works fine with IE, of course.