<div="whatever">
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="whatever" height="whatever">
<img src="Image#1" >
td>
<td width="100%" height="whatever">
<img src="Image#2" >
td>
<td width="whatever" height="whatever">
<img src="Image#3" >
td>
td>
tr>
table>
div>
or maybe put images in the td bg:
<div="whatever">
<table border="0" cellpadding="0" cellspacing="0" width="100%" height="23" >
<tr>
<td background="Image#1" width="16" height="23">
<td background="Image#2" width="100%" height="23" >
<td background="Image#3" width="26" height="23">
td>
tr>
table>
div>
or
<div="whatever">
<table border="0" cellpadding="0" cellspacing="0" width="100%" height="23" >
<tr>
<td background="<{$xoops_imageurl}>images/Image#1" width="16" height="23">
<td background="<{$xoops_imageurl}>images/Image#2"width="100%" height="23" >
<td background="<{$xoops_imageurl}>images/Image#3" width="26" height="23">
td>
tr>
table>
div>
or maybe something like
<div="whatever">
<img src="Image#1" width="whatever">
<div align="center"><img src="Image#2" width="100%">div>
<div align="right"><img src="Image#3" width="whatever">div>
div>