the tank monkey is a new one I haven't seen.  gary did an armadillo tank.
head, ears, tail and arms are standard poser things, but most of the tank tread
references here go to dead links.  it was either hoag, helg, ock, nerd or one of
those guys who explained how to do this. for lo-res work, animated textures for
the tread and rollers.  for close-up anims, it's an ERC thing that almost nobody
knows how to do.