I think I might be able to provide some low-poly models. I can do some basic modeling (placeholder stuff and very low-poly items). I am not making any promises as I am a bit busy these days.
See if you can post what you need and some sample images and constraints (polycount, vertcount, texture resolution…) and I will see what I can do. I can also do basic animated materials and effects. But if someone who is good at these stuff can do it, thats better. However skeletal animations/meshes are beyond me.