Hello..
I've been working A LOT with XSLT lately and have learned a lot on how things work as well.  
Hope this helps you and accomplishes what you're looking for.
There is code (lines 43-69) which will display "No Information available at this time" if there is no information to be view within the the list.  But, if there is data, then a table is created with the layout you're suggesting.
Thanks.. -Jeff

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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:udt="DotNetNuke/UserDefinedTable" exclude-result-prefixes="udt">
  <xsl:output method="xml" indent="yes" omit-xml-declaration="yes" />
  <!--
  This prefix is used to generate module specific query strings
  Each querystring or form value that starts with udt_{ModuleId}_param 
  will be added as parameter starting with param
  -->
  <xsl:variable name="prefix_param">udt_<xsl:value-of select="//udt:Context/udt:ModuleId" />_param</xsl:variable>


  <xsl:template match="udt:Data" mode="list">
    <tr>
      <td rowspan="3" style="text-align: center; vertical-align: middle;">
        <xsl:value-of select="udt:Image" disable-output-escaping="yes" />
      </td>
      <td>
        <xsl:value-of select="udt:Title" disable-output-escaping="yes" />
      </td>
      <td>
        <xsl:value-of select="udt:Location" disable-output-escaping="yes" />
      </td>
    </tr>
    <tr>
      <td>
        <xsl:value-of select="udt:Description" disable-output-escaping="yes" />
      </td>
      <td>
        <xsl:value-of select="udt:Project_x0020_Type" disable-output-escaping="yes" />
      </td>
    </tr>
    <tr>
      <td>
        <xsl:value-of select="udt:URL" disable-output-escaping="yes" />
      </td>
      <td>
        <xsl:call-template name="EditLink" />
      </td>
    </tr>
  </xsl:template>


  <xsl:template match="/udt:UserDefinedTable">
    <xsl:variable name="currentData" select="udt:Data" />
    <xsl:choose>
      <xsl:when test="$currentData">
        <table align="center" style="width:98%;">
          <tr>
            <td>Project</td>
            <td>Type</td>
            <td>Location</td>
          </tr>
          <xsl:apply-templates select="$currentData" mode="list">
          </xsl:apply-templates>
        </table>
      </xsl:when>
      <xsl:otherwise>
        <table align="center" style="width:98%;">
          <tr>
            <td>Project</td>
            <td>Type</td>
            <td>Location</td>
          </tr>
          <tr>
            <td class="ContentInfo" colspan="3" style="text-align: center">
                No information available at this time.
              </td>
          </tr>
        </table>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>


  <xsl:template name="EditLink">
    <xsl:if test="udt:EditLink">
      <a href="{udt:EditLink}">
        <img border="0" alt="edit" src="{//udt:Context/udt:ApplicationPath}/images/edit.gif" />
      </a>
    </xsl:if>
  </xsl:template>
</xsl:stylesheet>