Definitely a Laughing Academy contest entry, but the rest of the details escape me. The balls of light are not post-processed -- they're a bunch of transparent spheres set with glow to try and a get a sort of will-o'-the-whisp look.
Model: Freyja Nemeth
At this stage, I believe I'm using the Melancholytron plugin by Flaming Pear to create the vignette.