How to at the hydralisk skin

How to at the hydralisk skin

There is a hydralisk skin but I need to get the right texture file of the hydralisk but i dont kno it i tried Texture\Units\Critters\Hydralisk\Hydralisk.blp but it didnt work

the path of my Skin is:
Units\Critters\Hydralisk\Hlisk.blp

thx