This is a custom skin for the Thug model based on the Ali G comedy character..
Ali G is a famous comedy character created and performed by British comedian Sacha Baron Cohen.
Just unzip all the files to your kingpin folder and they will be placed in the correct locations.
Easiest way to select these skins is to:-
Pull down the console (tilde key ~)
Type in :-
skin "male_thug/al6 al6 al6"