Crump directed the feature-length documentary film Black White + Gray: A Portrait of Sam Wagstaff + Robert Mapplethorpe, which premiered in North America at the 2007 Tribeca Film Festival and in Europe at Art Basel. It explores the influence curator Sam Wagstaff, photographer Robert Mapplethorpe and musician/poet Patti Smith had on the 1970s art scene in New York City.

The film of Michael Engler from the year 1982 showing the different methods of operation of photgraphers Harry Callahan, Mark Cohen, Robert Frank, Ralph Gibson, Duane Michals, Joel Meyerowitz, Stephen Shore, Garry Winogrand and others