I think it would be fine as long as we have permission from the owner of the photos to post them. I know I wouldn't like someone taking my pictures and using them for their own purposes without asking first.
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What I mean is I would not want someone copying pictures from my personal website and then posting them around the internet. If someone wants to take my pic and post it, apart from them having questionable taste, there is no problem.
I know when I was travelling in Beijing people would get angry if I took their picture without permission. Thailand seems to be completely different, people enjoy having their picture taken, especially when they can view it on my digital camera instantly. I have told people I share their pictures with other people, and so far nobody has had a problem with it.