Macintosh software developer Script Software has released ChatFX, a new product for users of Apple’s iChat instant messenging application. ChatFX adds special effects to iChat like bluescreen, distortion, 3D comic book, desktop and lots more to video conferencing in iChat. Many of the effects resemble what you get using Apple’s Photo Booth application. ChatFX requires Mac OS X 10.4 or higher, built-in or FireWire camera, an Intel Mac (perfect), G5 or G4 and Mac.com or AIM (free) account. The software costs $20.