Cable Forum - Table background help

Hi all

I'm trying to design a website but I keep having problems with the backgrounds on table cells in IE. They just won't display at all - but in Firefox they display fine. I can start to see why web developers hate IE so much!

I'm designing this in Dreamweaver MX - my code is below ...

Code:

<?xml version="1.0" encoding="iso-8859-1"?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>Untitled Document</title>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

<link href="stylesheets/main.css" rel="stylesheet" type="text/css" />

</head>



<body>

<table width="1000" border="0" cellpadding="0" cellspacing="0" bordercolor="#FFFFFF">

  <!--DWLayoutTable-->

  <tr background="assets/images/HeaderBg.gif" > 

    <td height="77" colspan="3" valign="top" ><div align="left"><font color="#CCCCCC" size="7" face="Arial, Helvetica, sans-serif" >Test 

        test test</font></div></td>

  </tr>

  <tr background="assets/images/SubHeaderBg.png">

    <td height="24" colspan="3" valign="top"><div align="right"><font color="#FFFFFF">gdfgfdgfdgdffdgdgdgdgdgfdgdfhjrewrtujykq2erytu4wtyhj</font></div></td>

  </tr>

  <tr> 

    <td width="151" height="788" valign="top"><p>Home</p>

      <p>Links</p>

      <p>Blah</p>

      <p>Blah</p>

      <p>Blah</p></td>

    <td colspan="2" valign="top"><p>fghfghf</p>

      <p>Blah blah blah</p>

      <p>&nbsp;</p>

      <p>&nbsp;</p>

      <p>&nbsp; </p></td>

  </tr>

  <tr> 

    <td height="25" colspan="2" valign="top">(C) 2005 all rights reserved</td>

    <td width="222">top of the page</td>

  </tr>

  <tr> 

    <td height="0"></td>

    <td width="619"></td>

    <td></td>

  </tr>

</table>

</body>

</html>

Anyway, how can I make it so that the background displays properly in IE - like the title boxes of Cable Forum - like the background on the post new thread screen.

I've attached screenies of what they look like in IE and Dreamweaver. The display in Firefox is the same as Dreamweaver, bar the guide lines down the side.

Thanks.