The extension-set contains only the pool and gates, but not the "Kings Pass" or Crocodile-model (but it comes with it's own geometry and textures, so you can use it without the Kings Pass in or for other setups too). The Croc i used for the promo-pic is this model:
[link] Best croc-model i ever saw! Even the extreme expensive (and not rigged) Croc from TurboSquid can't par up with AM's croc!