i dont like this "application window" concept. swap it with "helper" windows instead...

[chaz/openbox] / data / xsession / openbox-gnome.desktop

[Desktop Entry]
Encoding=UTF-8
Name=GNOME/Openbox
Comment=Use the Openbox window manager inside of the GNOME desktop environment
Exec=openbox-gnome-session
TryExec=gnome-session
Icon=openbox.png
Type=XSession