AS Kuroitsune said, double click on SF_Buffer_Test, for example A dropdown button should now appear to the right of SF_Buffer_Test, After that tick SF_Alpha_Texture http://i.imgur.com/Im1UVHo.png http://i.imgur.com/xsRCJAX.png http://i.imgur.com/VNHM9ZV.png Hopefully this helps :)