It is often claimed that techniques such as "multimedia" and the use of blended learning environments can be used to achieve powerful interactive pedagogies. Indeed, the advent of easy-to-use multimedia technologies has meant that a plethora of digital learning products is now becoming available. Despite the relative ease-of-use of these new technologies, managing large-scale multimedia courseware development projects is still very problematic. This paper discusses some of the issues involved and outlines an emerging methodology for managing such projects. (Contains 2 tables and 1 figure.)