Memorable movies are about people  worth knowing.  In fact, narrative films are often named for their key characters. So we have “The Godfather,” “E.T.,” “Thelma & Louise,” and “Goldfinger.” But characters are also crucial in nonfiction films, as mojo journalist Mike Castellucci demonstrates in  “Carrie’s Cakes.” In this short video report, produced for a Texas TV station, Castellucci visited…

A memorable mini-doc must have strong images. But as we learn in Robb Montgomery’s “El Tatio Geyers,” concise, carefully written text can add clarity and drama. Montgomery, a celebrated mobile journalist and film teacher, illustrates four ways  to use titles in this short travelogue: He titles the video: “El Tatio Geyers” (0:04) He identifies the location: “In the…