JarateKingFor 1, you can change the bonuscross to be a solid material (the same as the bg, or a refract material if you want no bg), and have position that at the left/right of your hp bar, and then set it to scale so that when at 0 health it covers all of the hp bar.
Hmm... that seems rough, indeed. So I'm assuming the HP bar is not one of the elements that can be rotated on it's side? That's a damn shame. Well anyways, thanks for your knowledge.