Sure you can. I should have a template around somewhere. I figured this out for someone else too, lol.
This is essentially what you want. What it was, was a stone block that could be shoved around and dropped. type=cog should probably be left alone. Several of the other "types" seem to have a predifined collide or move, hardcoded in.
Stone none model3d=StoneBlock1.3DO orient=(0.000000/0.000000/0.000000) type=cog collide=3 move=physics size=.25 movesize=.25 surfdrag=1.000000 airdrag=1.000000 mass=25.000000 physflags=0x004041 buoyancy=0.500000 thingflags=0x40
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Wolf Moon
Cast Your Spell On Me
Beware
The Woods At Night
The Wolf Has Come