And it doesn't end with images.
I have seen slabs of my research and writing taken and reproduced without credit. They have been sourced from books, newsletters, magazines and in some cases, even private letters, including individual Centurion histories, that were then provided by the vehicle owner to the website operator and reproduced, often with the name/signature block deleted.
Lang's right: there is not much that can be done about it, but now when I write an article for a website, I make sure it's prefaced with 'may not be reproduced without permission'. It has some limited effect.
I suppose what bugs me just a little is that the website operators who vacuum up all this 'free' stuff that took years to research, are then regarded as the 'source' of expertise.
Mike C