I just found out where the faces are in FIFA 2004. They still use .o files and fsh files, but this year, the hair o-file is in the same o-file as the face! The faces are located in the zdata_04.big file in the data folder. Just export the .o and fsh out, and u can open it in o-edit. Here are Zambrotta and Nedved from O-edit (with hair!):