postbit problems!

[Omega One]

Hey all,

I'm re-designing my postbit template and I'm having a hard time doing it.

What I want is for each item to be boxed off, like the first attachment. Thats just a short post (e.g. a one liner), but when I view a thread with alot of posting... the result is, well, see the second attachment.

Here's the code, any hints as to where I've gone wrong?

<table bgcolor="{pagebgcolor}" width="{tablewidth}" cellpadding="0" cellspacing="0" border="0"><tr><td width="10"><img width="10" height="1" src="{imagesfolder}/space.gif" alt=""></td><td width="100%"><!-- spacer -->

<table cellpadding="{tableouterborderwidth}" cellspacing="0" border="0" bgcolor="{tablebordercolor}" {tableouterextra} width="{contenttablewidth}" align="center"><tr><td>
<table width="100%" height="15"  border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td width="20" height="5" valign="top" bgcolor="#666666"><img src="http://forums.legacyofkain.net/images/deepblue/left_edge.gif" width="20" height="20"></td>
    <td width="100%" background="http://forums.legacyofkain.net/images/deepblue/mainbg.gif" bgcolor="#666666"></td>
    <td width="20" height="5" valign="top" bgcolor="#666666"><img src="http://forums.legacyofkain.net/images/deepblue/right_edge.gif" width="20" height="20"></td>
  </tr>
</table>
<table width="100%" border="0" align="center" cellpadding="1" cellspacing="{tableinnerborderwidth}" bordercolor="#000000" {tableinnerextra}>
<tr>
	<td width="175" height="10" valign="middle" nowrap bgcolor="$post[backcolor]" border="1">
	<a name="post$post[postid]"></a>
	$post[firstnewinsert]
	<normalfont><b>$post[username]</b></normalfont><br>
	</td>
	
	<td rowspan="7" valign="top" bgcolor="$post[backcolor]">
	<smallfont>$post[icon] <b>$post[title]</b></smallfont>
	<p><normalfont>$post[message]</normalfont></p>
	
  	$post[attachment]
	<p>$post[signature]</p>	<p>$post[editedby]</p>	<p align="right"><smallfont><a href="report.php?s=$session[sessionhash]&amp;postid=$post[postid]">Report this post to a moderator</a> | $post[iplogged]</smallfont></p></td>
</tr>
<tr>
  <td width="175" height="10" valign="middle" nowrap bgcolor="$post[backcolor]"><smallfont>$post[usertitle]</smallfont></td>
</tr>
<tr>
  <td width="175" height="100" valign="middle" nowrap bgcolor="$post[backcolor]">$post[avatar]</td>
</tr>
<tr>
  <td width="175" height="10" valign="middle" nowrap bgcolor="$post[backcolor]"><smallfont>Registered: $post[joindate]</smallfont></td>
</tr>
<tr>
  <td width="175" height="10" valign="middle" nowrap bgcolor="$post[backcolor]"><smallfont>Location: $post[field2]</smallfont></td>
</tr>
<tr>
  <td width="175" height="10" valign="middle" nowrap bgcolor="$post[backcolor]"><smallfont>Posts: $post[posts]</smallfont></td>
</tr>
<tr>
  <td width="175" valign="top" nowrap bgcolor="$post[backcolor]">&nbsp;</td>
  </tr>
<tr>
	<td width="175" height="16" nowrap bgcolor="$post[backcolor]"><smallfont>$post[foldericon]
	$post[postdate] <font color="{timecolor}">$post[posttime]</font></smallfont></td>
	
	<td width="100%" height="16" valign="middle" bgcolor="$post[backcolor]">
		<table width="100%" border="0" cellpadding="0" cellspacing="0">
		<tr valign="bottom">
			<td><smallfont>$onlinestatus
			$post[profile] $post[pmlink] $post[useremail] $post[homepage] $post[search] $post[buddy]
			<!-- $ post[icqicon] --> <!-- $ post[aimicon] --> <!-- $ post[yahooicon] --> 
			</smallfont></td>
			<td align="right" nowrap><smallfont>
			<a href="editpost.php?s=$session[sessionhash]&amp;action=editpost&amp;postid=$post[postid]"><img src="{imagesfolder}/edit.gif" border="0" alt="Edit/Delete Message"></a>
			<a href="newreply.php?s=$session[sessionhash]&amp;action=newreply&amp;postid=$post[postid]"><img src="{imagesfolder}/quote.gif" border="0" alt="Reply w/Quote"></a>
			</smallfont></td>
		</tr>
		</table>
	</td>
</tr>
</table>
<table width="100%" height="15"  border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td width="20" height="5" valign="top" bgcolor="#666666"><img src="http://forums.legacyofkain.net/images/deepblue/left_edge_bottom.gif" width="20" height="20"></td>
    <td width="100%" background="http://forums.legacyofkain.net/images/deepblue/mainbg_bottom.gif" bgcolor="#666666"></td>
    <td width="20" height="5" valign="top" bgcolor="#666666"><img src="http://forums.legacyofkain.net/images/deepblue/right_edge_bottom.gif" width="20" height="20"></td>
  </tr>
</table></td>
</tr></table>

<!-- spacer --></td>
<td width="10"><img width="10" height="1" src="{imagesfolder}/space.gif" alt=""></td></tr></table><P>

Thanks in advance!

Edit
I'll explain with a bit more detail this time!

Basically, the table cell above the date and below the posts, I want that to fill up the rest of the space in the event that it's a long post...