If you're still working on your action button borders, these Masque skins may be relevant, as they have textures similar to what it looks like you're going for:
http://www.wowace.com/addons/buttonfacade_daedui/
http://wow.curseforge.com/addons/buttonfacade-cleanui/
http://www.wowinterface.com/download...adeCainyx.html