Add glass that shatters (and makes hole/bullet hole when shot not with rocket) when a guy (or ragdoll) hits the glass hard enough to shatter it, another thing with glass is that when it shatters it makes really sharp shards of glass. PLUS, MaD 2 is AWESOME!!!!!! P.S please read this comment and reply! Thx!
 "Critical Mass"){kind=icon}
 "Mutilate-a-Doll 2"){kind=icon}