The plugin creates an illusion of solid volume when applied to a image with zero luminance areas.
Simple example usage: https://vimeo.com/125336693
Binary (only Windows, sorry): https://github.com/OlegPotiy/FFGLVolumeRenderer/tree/master/Bins
Short manual: https://github.com/OlegPotiy/FFGLVolumeRenderer/tree/master/Docs