The digital library community is increasingly concerned with long-term preservation of digital materials. This concern presents an opportunity for strategic alliances between digital library units and preservation departments confronting the difficulties inherent in preservation reformatting of moving image materials. However, successful collaboration between digital library and preservation departments may require adjustments to the work practices of each group, including their creation and management of metadata and their definition of acceptable practice with respect to preservation reformatting. (Contains 42 notes and 1 figure.)