For me, Corey is the clear winner here. He did not resort to video tricks, but clearly showed some of the things that these Quad fans can do. The itemized list of effects at the end is a bonus. These are only the beginning and endless variations are possible.
We can learn something and be inspired by all of the entries. I also like the smaller catalog of effects by Maulik Patel. Wael El Kadri and 李偉 Wei Lee had some nice color patterns as well.