Palisades Films, in association with Florida-based Wonderland Pictures, has optioned feature rights to Mark Zaslove’s script “Sincerely Maggie,” based on the life of singer/songwriter Maggie Louie. Zaslove is also skedded to helm the pic. “Maggie” follows the career peaks and valleys of Louie, the former lead singer and songwriter for the underground cult band Buttermilk.Zaslove is scripting and producing “Maniac Magee” for Nickelodeon Movies. Next November he will begin helming a psychological thriller based on his screenplay “Amateur Hour,” also a co-production with Wonderland. Zaslove is repped by Barbara Alexander of Media Arts Group and managed by Andrew R. Tennenbaum of Flashpoint Entertainment.