Blendmode

This article is mainly courtesy of Phantom107 over at the GMC.

Example

There is the example GMK that was used to produce these images also
available for download.
Download:
https://www.dropbox.com/s/9fq8hepr1i5j1wy/Extended%20Blend%20Mode%20Visualization%20by%20Phantom107.gmk
Size: 1.4 MB