What if said image had a bone/joint/node in the DTS of the same name as a node on the jeep? Could the image then be actually attached to the node? Or does that not work?
I'd try this myself, but i'm not sure how to code such a thing, but i was thinking of using the jeep model as reference and making a model that would be a ray of light coming from the headlights that would attach to a certain node on the jeep so it would stay in place when coded to be placed on the node and then have a second image place on the same node that would be only the light so you can change it's offset without changing the offset of the rays of light coming from the headlights
Or instead of one light being in the middle of the two light rays, have two lights adjusted to be at the end of the light rays, but i don't know if a node can have more than one image stuck to it and if having 2-3 images on a single node is a good idea