Character animation: - 1: begin recording - 2: review animations - 3: next character/backdrop - [SPACE]: finish recording Backdrop animation: - 1, s, 3, 4, 5, 6, 7, 8, 9, 0: different backdrops - a: end animation process Onion skin settings: - mouse on the top-right corner to open menu - onion skin frames: - number of frames before disappearing - onion skin opacity - transparency of the onion skins