What i would like to see is a mod that adds entry wounds to a player when he/she gets shot, so that way other players can tell if he/she has been hit by a bullet, the wounds would stay on the body even after death, Only When the body dispaears (on player respawn) would the wounds go away. I think this would also work well with SMM Bodies.
To do this all we need is a script, and a couple wound decals for dynamics.
If you need a good example of this, play the following games: Rainbow 6 Vegas 2, Far Cry 3, Black Ops 1 and 2 and Counter strike are the ones that i know about that do this.