I'm painting some of these up at the moment, I love this picture. His face is full of contempt, it's amazing how well you've captured it. Shame the bare head on the model kit doesn't look more like this.
I like the bat-like webbed wings for the Solarites myself--so awesome depiction! I also think a half and half of the wings of higher ranking Scourges would be neat as well. (half feathered and half webbed in hide) The rune is a nice touch as well tattooed into the thin hide. Splendid job as always, lovely.