Download Link below.

https://www.mediafire.com/file_premium/gthta5h37dd113f/F-4J_Phantom_RAF_74_Sqn_16_Pack.zip/file

Once downloaded Unzip and place in the DCS World\Bazar\Liveries\VSN_F-4B folder. 

Or in

Saved Games\DCS\Liveries\VSN_F-4B.

16 Liveries for VSN F-4B Phantom RAF 74 Sqn. 