Rebellion Pictures has only produced short films since Adam Hammel and Keith Knight formed the Gotham-based company two years ago. But Rebellion has just ponied up a low-six figures to option its first feature script, “Quitters,” by newcomer Eric Beetner.Script depicts a group of adopted siblings who band together to quit smoking after their father dies from lung cancer. It will be co-directed by Hammel and Keith Knight, with Chadburne Dickens attached as associate producer. Hammel and Knight have worked in various capacities on pictures like “Autumn in New York,” “The Hurricane” and “Meet Joe Black.” Dickens has worked at Scott Rudin Prods., Miramax and Merchant Ivory, where he was director of development. ICM’s Barbara Mandel repped Beetner.