Exibir Dados do Bd em linhas e colunas

<?php
require_once("conn.php");
require_once("header.php");

//get 3 random products

$q1 = "select devbg_products.*, devbg_categories.*, devbg_subcategories.* from devbg_products
 left join devbg_categories on devbg_products.ItemCategory = devbg_categories.CategoryID
 left join devbg_subcategories on devbg_products.ItemSubcategory = devbg_subcategories.SubcategoryID

 order by rand() limit 0,6 ";

$r1 = mysql_query($q1) or die(mysql_error());

if(mysql_num_rows($r1) == '0')
{

$NoItems = "<center>Sem Itens Ainda</center>";
}

else
{
while($a1 = mysql_fetch_array($r1))
{

	$MyPrice = number_format($a1[itemPrice], 2, ".", "");

	if(!empty($a1[itemImage]))
	{
 $xy = @getimagesize("items_images/$a1[itemImage]");
 $x = $xy[0];
 $y = $xy[1];

 $NewItemName = str_replace("'", "", $a1[itemName]);

 $DisplayImage = "<a href=\"javascript:ShowPic('items_images/$a1[itemImage]', '$NewItemName', '$x', '$y');\"><img src=\"items_images/$a1[itemImage]\" width=100 alt=\"$a1[itemName]\" border=0 style=\"border-color:black\"></a>";
	}
	else
	{
 $DisplayImage = " ";
	}

	$DisplayIndex .= "
 <table align=center width=300 border=0 rules=rows cellspacing=0 bordercolor=black>
 <tr>
 <td valign=top width=140>$DisplayImage</td>

 <td width=160 valign=top>
 <a class=\"ItemTitle\" href=\"ViewItem.php?ItemID=$a1[itemID]\">$a1[itemName]</a>
 <br><BR>
 <font color=black face=verdana size=1><b>Categoria: </b></font><a class=\"CategoryClass\" href=\"ShowCategory.php?CategoryID=$a1[itemCategory]\">$a1[CategoryName]</a>";

 if(!empty($a1[subcategoryID]))
 {
 $DisplayIndex .= ", <a class=\"SubcategoryClass\" href=\"ShowCategory.php?CategoryID=$a1[itemCategory]&SubcategoryID=$a1[itemSubcategory]\">$a1[subcategoryName]</a>";
 }

 $DisplayIndex .= "	<br>
 <font color=red face=verdana size=2><b>preço: R$ $MyPrice</b></font>
 <br><br>
 <form method=post action=add.php style=\"margin:0\">
 <input type=hidden name=ItemID value=\"$a1[itemID]\">
 <input type=hidden name=ItemName value=\"$a1[itemName]\">
 <input type=hidden name=ItemShipping value=\"$a1[itemShipping]\">
 <input type=hidden name=ItemPrice value=\"$MyPrice\">
 <input type=submit name=s1 value=\"Comprar\" class=sub>
 </form>
 </td>
 </tr>
 </table><br><hr size=1 color=E3E3E3>";
}

}

if(isset($NoItems))
{

echo $NoItems;
}

else
{

require_once("templates/IndexTemplate.php");
}

require_once("footer.php");
?>