http://www.horrortheque.com/public-domain-horror-movies/bloody-pit-of-horror/ 

Bloody Pit Of Horror

February 25, 2010 1960-1970, A-Z, Color, Erotic Leave a comment

Director: Massimo Pupillo
Year: 1965
Country: Italy, USA
Runtime: 82 min
Source: http://www.imdb.com/title/tt0058983/

A photographer and his models go to an old, abandoned castle to shoot some sexy covers for horror novels...