mm/assets/xml/objects/object_ishi.xml

<Root>
    <!-- Object for small rocks -->
    <File Name="object_ishi" Segment="6">
        <Texture Name="gSmallRockTex" OutName="small_rock" Format="rgba16" Width="32" Height="32" Offset="0x1B0" />
        <DList Name="gSmallRockDL" Offset="0x9B0" />
    </File>
</Root>