gtk-theme-config/gtk-theme-config.desktop

[Desktop Entry]
Name=GTK theme preferences
GenericName=Configure GTK theme
Comment=A tool to configure the GTK theme
Exec=gtk-theme-config
Terminal=false
Type=Application
Icon=gtk-theme-config
Categories=GNOME;Settings;X-XFCE-SettingsDialog;X-XFCE-PersonalSettings;