What about skin variations?

VertexLitGeneric
{
// Prevents the Texture to be Replaced if the Base Mod is not Downloaded 1/2
$basetexture	"models\w_models\eq_painpills/w_eq_painpills"

// TEXTURE REPLACEMENT
$detail 		"models\w_models\eq_painpills/pills_add"
$detailscale 	"1"
$detailblendmode 	"2"
$detailframe	"1000"
$yogpills		"0"
$fh 		"500"
$rand 		"0" 
"Proxies"
{
// Prevents the Texture to be Replaced if the Base Mod is not Downloaded 2/2
"Equals"
{
srcVar1 		"$yogpills"
resultVar 		"$detailblendfactor"
}
// RNG (Per Map)
"EntityRandom"
           		 {
                	"scale" 		"12.99"
                	"resultVar" 	"$rand"
               		 }
"LessOrEqual"
     		   {
          	  	"LessEqualVar" 	"$detailframe"
          	  	"greaterVar" 	"$rand"
          	  	"srcVar1" 	"$detailframe"
           	  	"srcVar2" 	"$fh"            
          	  	"resultVar" 	"$detailframe"    
       	  	}
}
}