Commended entry only? I'd rate this band higher. Love it, strong colours, well painted, nothing wrong with these guys.
Thanks, anything higher than commended and they would have received a demon, so I can't say I'm disappointed.
Gorgeous! Paints recipe, pretty please? 
Very nice indeed. As others have mentioned, the rust is very effective, it does actually look like it's a texture in some of the shots. What's your process, if you don't mind me asking?
Happy to share!
Bone:
Basecoat with 50-50 mix of Scale75 Rainy Gray and White Sands. Shade with Rainy Gray and then mix black to this. Highlight with Sc75 White Sands and then pure white.
Rust:
Basecoat Mission Models Black, but anything with a eggshell finish should do. Wash with Citadel Typhus Corruption for subtle texture. Wash with Scale75 Brown Leather, let it pool and leave tidemarks, imho it only enhances the effect. Add watered down Scale75 Mars Orange to crevices and other areas were you want to increase the rust. I pre-wet the area and paint it in an almost wet-in-wet fashion. Add white to the orange and repeat. Go back with brown if you want to tone down the effect. "Highlight" edges and rivets with black. I'm not sure how well it shows in the photos, but I think the subtle difference between the eggshell black and the very matte Scale75 paints gives a nice effect.