IMG_ARROW_DOWN arrowdown.png
IMG_ARROW_SCROLLBAR arrowscroller.png
IMG_HOURGLASS hourglass.png
+IMG_FOLDER /usr/share/icons/gnome/32x32/places/folder.png # in dirbrowser mode
+IMG_EXECBIN /usr/share/icons/gnome/32x32/categories/applications-other.png # in dirbrowser mode