Copy the text and insert into the description.lua file. Chose between "MooNsteR" or "Wild Weasel" dds fils. Then drop the dds fils into your chosen livery. 
Enjoy. 



    {"pilot_F16_hmd_details",    DIFFUSE            ,    "pilot_f16_helmet_details", false};
    {"pilot_F16_hmd_details",    NORMAL_MAP            ,    "pilot_f16_helmet_details_normal", false};
    {"pilot_F16_hmd_details",    SPECULAR            ,    "pilot_f16_helmet_details_roughmet", false};
        
    {"pilot_F16_helmet_gray",	DIFFUSE			,	"pilot_f16_helmet_gray", false};
    {"pilot_F16_helmet_gray",	NORMAL_MAP			,	"pilot_f16_helmet_gray_normal", false};
    {"pilot_F16_helmet_gray",	SPECULAR			,	"pilot_f16_helmet_gray_roughmet", false};
    
    
    {"pilot_F16_helmet_HMD",    DIFFUSE            ,    "pilot_f16_helmet_hmd", false};
    {"pilot_F16_helmet_HMD",    NORMAL_MAP            ,    "pilot_f16_helmet_hmd_normal", true};
    {"pilot_F16_helmet_HMD",    SPECULAR            ,    "pilot_f16_helmet_hmd_roughmet", true};