MacVoices #23175: Road to Macstock - Wally Cherwinski and the Macstock Film Festival Next up on The Road to Macstock is something different. Wally Cherwinski explains how any attendee can be part of the conference by participating in the Macstock Film Festival. The subject can be something you care about, an activity you like to engage in, or something totally unique. Wally provides some suggestions and inspiration, and how to submit your entry.