I actually quite like the concept, but there is something that looks a little off. Not a fan of the ghostkeel head on the commander. I don't think it looks right, and 2 it breaks the main part of the motion that needs to be communicated. The commander is obviously flying by a target, shooting it with his burst cannon (which again, I love this pose) however, the ghostkeel head does not follow the pose of the rest of the model. Instead of following the BC line of fire to the target. The Ghostkeel head is looking up at the sky, which makes the model feel very disjointed. I would either repose the head (which I don't think you can do due to the neckguard) or switch back to the regular commander head.
I'd also suggest just from a general "jumping/flying" pose switching the legs so the leg closer to the ground is knee bend, and the leg higher up is mostly straight and hanging behind.
Red is where the head should be, green is where it's looking currently.