gnome-control-center/gnome-control-center.schemas.in

<gconfschemafile>
  <schemalist>

    <schema>
      <key>/schemas/apps/control-center/appearance/more_backgrounds_url</key>
      <applyto>/apps/control-center/appearance/more_backgrounds_url</applyto>
      <owner>control-center</owner>
      <type>string</type>
      <default>http://art.gnome.org/backgrounds/</default>
      <locale name="C">
        <short>More backgrounds URL</short>
        <long>
          URL for where to get more desktop backgrounds.  If set to an
          empty string the link will not appear.
        </long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/control-center/appearance/more_themes_url</key>
      <applyto>/apps/control-center/appearance/more_themes_url</applyto>
      <owner>control-center</owner>
      <type>string</type>
      <default>http://art.gnome.org/themes/</default>
      <locale name="C">
        <short>More themes URL</short>
        <long>
          URL for where to get more desktop themes.  If set to an
          empty string the link will not appear.
        </long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/control-center/network/current_location</key>
      <applyto>/apps/control-center/network/current_location</applyto>
      <owner>control-center</owner>
      <type>string</type>
      <default></default>
      <locale name="C">
        <short>Current network location</short>
        <long>
          Set this to your current location name.  This is used to
          determine the appropriate network proxy configuration.
        </long>
      </locale>
    </schema>

  </schemalist>
</gconfschemafile>