This brief tutorial covers the compositing technique of light wrapping.

This is a preset that you can use on green screen footage or just general compositing.

YY_MagicKey is a very powerful keying plugin, minus the complicated settings. It was designed specifically with the keying-out of premultiplied stock elements (explosions, blood, muzzle flares, etc) in mind, and never takes a long time to set up.

A quick tip on creating "super tight" garbage mattes to aid keying.

Learn how to rig a still image using the Puppet Pin tool and animate it using only After Effects...

Here are two presets knocking out black OR white from a layer based on the luminance to set it as transparent/alpha.

In this podcast tutorial, Creative Cow leader Aharon Rabinowitz adds to the concepts he covered in his tutorial Straight Vs. Premultiplied.

In this video tutorial, Creative Cow contributing editor Eran Stern with the help of his brother Yuval will show you a simple method to create the famous invisible look inspired from the movie "The Predator"

The Difference Matte effect creates a transparency a mask or a matte by comparing the pixels in a source layer with the pixel in a defined difference layer, and then keying out (eliminating) pixels in the source layer that match both the position and color in the difference layer.