Download the skins, en Replace the ones in the Dictory:
SASF,FBI etc..dont click on 'BACKUP' those are the Normal skins.
http://cl-sf.forumotion.com/mods-and-scripts-f14/recommended-mod-s-t43.htm
Replace with GTA IMG TOOL, or GTA IMG MANAGER ( BETTER & FASTER ).
You can download this at the 'Mods And Scripts' Section on the forums.
So i suggest you to download these Skins. Installing it Totally worth it!
Screenies:






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» Script Changelog
» SERVER NAME !!
» [Guide]How to ask for Permission[For NewComers]
» Federal Bureau Of Investigations
» FBI Cars,Equipment
» Classes,Equipment,Divisions
» Go...and download, if you want
» Recommended Mod's