In response to post #17403844. #18732199 is also a reply to the same post.
They are not presets, they are morph files. You can change your Warden with http://www.nexusmods.com/dragonage/mods/1734/? or you can rename them, put them into your override and use them as NPCs. E.g. if you rename one to hm_genf_alistair.mor, it will change Alistair's face.