If you are a developer, please build MegaGlest on your own and get in touch to contribute (or post your patches on the forums).
i did make somthing like that, its just a dragon thiner but bigger than the dragon also it has two legs and a spiky tail.
I could easily open up the dragon model, shrink it and export. Unfortunately the current (only!) working g3d import script does not import animations. Unless someone wants to re-animate the model or is competent in using MAX to shrink the model then it will be static