maybe you can help this tutorial Although he is German but maybe it will help you Although I've already managed to import the Irish armor but I do not know exactly how I hope I could help you
I have .obj files (weapons and armor) someone can be that make .esp or .nif contact: E-mail, Skype, Teamspeek(server also available) , ICQ (I would first download) the address I'll send it via pm I'm from Austria^^ regards ProRat99