Fascinating thread. Thanks for sharing these precious documents and to all the people who took pictures of the South Bronx in the 70's and 80's.
1983 French movie "Banzai" with famous comedian Coluche features a scene filmed in the South Bronx (depicted as Harlem in the movie, maybe because Harlem was more famous than the Bronx in France in the 80's ?).
Here is this scene :
http://www.dailymotion.com/video/x19myd_banzai_ads