Um ever heard of models that are not in the alice formate? And converting them to a format alice can use?
https://sketchfab.com/models/774b93f...9dac292dfd8e78 This is what took me less than 10 seconds to find...
Stuff + Other Stuff + Different Other Stuff = Things :)
My best Alice game:
Clash of the Cubes (an arena fighting game):
http://www.alice.org/community/showthread.php?t=10738&highlight=game