Interesting. I happened across one of my images on tumblr.
orig08.deviantart.net/2641/f/2…Some 380 shares and likes; and it has been posted a number of other places (by Google image search) - all without credit, it appears.
It's the hazard of posting online and why some use watermarks. I do find it interesting that this nicely idyllic but not very striking image is one of the ones lifted/