About this video

There are better ways to make speculars, but sometimes you don't want to shell out $150.

GIMP - https://www.gimp.org/downloads/
.dds Plugin - https://code.google.com/archive/p/gim... (says it's for 2.8x, but works fine on newer versions.

Apologies for the audio quality, this isn't something I normally do or have the proper equipment for.