Liveries

How do i add liveries to a server? Im trying to add [Release] Admin Car Livery3 I have the doge charger from http://www.lcpdfr.com/files/file/13331-lspd-pack-new-2013-fpis-20132016-explorer-2015-charger-2016-impala-2013-tahoe-2011-cvpi-els-style-lighting/6