Click this then click the image desired. You may get the wrong image depending in the site. Nothing will happen if there is no background image.
Bookmarklet Source Code:
javascript%3Avar%20backup%3Ddocument.body.onclick%3Bvoid%28document.body.onclick%3Dfunction%28event%29%7Bvar%20bodyStyle%3Dwindow.getComputedStyle%28document.body%2Cnull%29.getPropertyValue%28%27background-image%27%29%3Bvar%20bgStyle%3Dwindow.getComputedStyle%28event.target%2Cnull%29.getPropertyValue%28%27background-image%27%29%3Bif%28bgStyle%21%3D%27none%27%29window.open%28bgStyle.replace%28/url%5C%28%22%3F/%2C%27%27%29.replace%28/%22%3F%5C%29%24/%2C%27%27%29%29%3Belse%20if%28bodyStyle%21%3D%27none%27%29window.open%28bodyStyle.replace%28/url%5C%28%22%3F/%2C%27%27%29.replace%28/%22%3F%5C%29%24/%2C%27%27%29%29%3Bdocument.body.onclick%3Dbackup%3Bbackup%3Dundefined%3B%7D%29%3B
