You can find files used for the current version of Age IAT on the PI Belgium site.
For the IAT task,
Good (Goed) stimuli are: "Gelukkig", "Mooi", "Liefde", "Genot", "Vrede", "Vreugde", "Glorieus", "Lachen";
Bad (Slecht) stimuli are: "Gekwetst", "Pijn", "Slecht", "Akelig", "Vreselijk", "Horror", "Mislukking", "Pijnlijk";
Old (Oud) stimuli are: of1.jpg, of2.jpg, of3.jpg, om1.jpg, om2.jpg, om3.jpg;
Young (Jong) stimuli are: yf1.jpg, yf4.jpg, yf5.jpg, ym2.jpg, ym3.jpg, ym5.jpg;