That really depends on the jurisdiction. For example in Germany it is illegal to share pictures of persons not being yourself without the other party's agreemen

That really depends on the jurisdiction. For example in Germany it is illegal to share pictures of persons not being yourself without the other party's agreement. Google Translate does a decent enough job on the German Wikipedia entry: https://translate.googleusercontent.com/translate_c?depth=1&hl=en&ie=UTF8&prev=_t&rurl=translate.google.com&sl=de&sp=nmt4&tl=en&u=https://de.wikipedia.org/wiki/Recht_am_eigenen_Bild_(Deutschland)&usg=ALkJrhiC80DjHDXQOU5_czR98VrQL8tlkQ https://translate.googleusercontent.com/translate_c?depth=1&...