Depends totally on whether the host allows hotlinking or not.
As a general rule, most of the 'tgp' type hosts allow it, and most of the free adult hosts that people use to upload galleries don't.
(assuming you're talking about porn pics..)
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- + - ° GiRLie GeeK ° - + - °
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Therell be days/When Ill stray/I may appear to be/Constantly out of reach/I give in to sin/Because I like to practise what I preach