You're right, it does depend
but the images aren't just lifted from the web, they have to use fairly sampled and controlled face images from verified sources.
I can't vouch for the images posted above (though they do look right), but every face study I've ever seen goes to enormously elaborate lengths to ensure that their research is valid and therefore publishable in a peer reviewed journal.
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Hellzapoppin, Fri 11 Feb 2011, 22:00,
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