.gif" alt="" height="79" width="124"> </a><br>
      </td>
      <td align="center" valign="middle"><a
 href="#8._Demonstration_of_fancy_vectors"><img
 src="private/thumb_exvec.gif" alt="" height="126" width="99"> </a><br>
      </td>
      <td align="center" valign="middle"><a
 href="#9._Zoom_in_on_Prince_Edward_Island_to_co"><img
 src="private/thumb_exgshhs.gif" alt="" height="108" width="144"> </a><br>
      </td>
      <td align="center" valign="middle"><a
 href="#10._Tracklines_and_UTM_projection"><img