@qmemo
You propably need to get and set icon theme, I also admit setting GTK2 theme.
file:
~/.gtkrc-2.0
gtk-icon-theme-name = "OSX"
gtk-theme-name = "OSX"
gtk-font-name = "Sans 10"
icon theme:
~/.icons/OSX
GTK2 theme:
~/.themes/OSX
You can get both icon and GTK themes from
http://gnome-look.org