I am not sure, but perhaps these links
http://cs.elderscrolls.com/constwiki/index.php/Normal_Maps
http://www.katsbits.com/tutorials/textures/understanding-oblivions-parallax-maps.php
are useful.
"wet glossy" look ----> specular map
http://cs.elderscrolls.com/constwiki/index.php/Glossary#S