Today’s featured promo on MacUpdate offers quadrium | flame 1.2 for US$19.99 (50% off, retail $39.95). “quadrium | flame is an application allows you to create and animate ‘flame fractals.’ It combines a wide variety of mathematic transformations with an interface designed to let you easily explore the vast realm of possible images, allowing you to literally ‘grow’ your image.” quadrium | flame 1.2 requires Mac OS X 10.3.9 or later.