You can find files used for the current version of the Skin-tone IAT on the PI Spain site.
For the IAT task,
Good (Bueno) words are: "Contento", "Maravilloso", "Amor", "Placer", "Paz", "Alegría", "Glorioso", "Risa"
Bad (Malo) words are: "Dolor", "Agonía", "Maldad", "Desagradable", "Terrible", "Horrible", "Fallo", "Malísimo"
Light Skinned People (Personas de Piel Clara) face images:
Set 1: "TONE0041A.jpg", "TONE0071A.jpg", "TONE0091A.jpg", "TONE0101A.jpg", "TONE0131A.jpg", and "TONE0141A.jpg";
Set 2: "TONE0031A.jpg", "TONE0051A.jpg", "TONE0061A.jpg", "TONE0081A.jpg", "TONE0111A.jpg", and "TONE0121A.jpg";
Dark Skinned People (Personas de Piel Oscura) face images:
Set 1: "TONE0031B.jpg", "TONE0051B.jpg", "TONE0061B.jpg", "TONE0081B.jpg", "TONE0111B.jpg", and "TONE0121B.jpg";
Set 2: "TONE0041B.jpg", "TONE0071B.jpg", "TONE0091B.jpg", "TONE0101B.jpg", "TONE0131B.jpg", and "TONE0141B.jpg";
The explicit questionnaire used the following sets of questions:
Right-Wing Authoritarianism Social Dominance Orientation