.....is meant to be shared by other chip and history addicts. If it's on the web and not used for commercial gain, I'd say anything that helps us learn is fair game. If I take an image from someone I try to get permission. I have to admit sometimes I'm lax about that. It's often easier to get forgiveness than permission. If a person doesn't want me to save a photo for my own information or share it with others with similar interest, they shouldn't put it on the internet.