Paths to GTK items for linux apps

[Andrew P.]

I need a little help here with linux-firefox. When trying
to save anything, it produces this:

(linux-firefox-bin:90572): Gtk-WARNING **: Could not find
the icon 'gnome-fs-home'. The 'hicolor' theme was not found
either, perhaps you need to install it.
You can get a copy from:
        http://freedesktop.org/Software/icon-theme/releases

The browser hangs in the pause state then. I have both
gnome-icon-theme and hicolor-icon-theme installed and
I verified that the icon is available at:

/usr/X11R6/share/icons/gnome/*/filesystems/gnome-fs-home.png

As I understand, it has something to do with linux-gtk2
not looking in the right dirs. Does anyone know how to
fix this?

Thanks,
Andrew P.