New free app for Mac OS Lion users creates smoke, fire, and other effects in real time using the FaceTime camera. A new free app for Autodesk lets Mac users create smoke and other special video effects on FaceTime. The effects react to real-time movement. Autodesk Motion FX uses new facial tracking technology and full-screen mode on Mac OS X Lion, as well as fluid … [Read more...] about Autodesk Motion FX transforms movement into special effects