Seeing a flick projected on the side of a building is about as urban cool as it gets, and for a few weeks in August there’s a different Parisian-themed film shown in a different arrondissement Thursday through Sunday nights at 9:30 (although the premier film is on Wednesday, Aug. 5 , close by the Montmartre studio loft at Butte Montmartre - Square Louise- Michel ,entrance Place Saint-Pierre).