We also watched this little clip from Antiques Road Show.
In it the daughter of Frances Griffiths talks about her mother and shows the camera which she used to take the photographs along with some of the original pictures. According to her, four of the pictures were faked, but the fifth is real.
And then young son went and tried making his own fairy photo:
* Doctor Who connection: the movie featured both McGann (8th Doctor) and the wonderous Bill Nighy (from last season's excellent Van Gogh episode).