Outlook background conditional
<td align="center" width="600" height="153" bgcolor="#FF8F00" style="background-image:url('https://gallery.mailchimp.com/a47e031b6d13d11b1f116fde4/images/d9359fe6-3e52-4898-aeb3-4d4e768b9b6c.png');">
<!--[if gte mso 9]>
<v:rect xmlns:v="urn:schemas-microsoft-com:vml" fill="true" stroke="false" style="width:600px;height:153px;">
<v:fill type="tile" src="https://gallery.mailchimp.com/a47e031b6d13d11b1f116fde4/images/8a671ff1-5a59-4cd6-92f3-da2553d221d0.png" color="#FF8F00"/>
<v:textbox inset="0,0,0,0">
<![endif]-->
<table class="innerWidth" width="600" cellpadding="0" cellspacing="0" border="0">
<tr>
<td width="600" height="153" valign="middle" align="center">
<a href="http://www.massav.com/"><img src="https://gallery.mailchimp.com/a47e031b6d13d11b1f116fde4/images/50678fee-2c07-41c6-801a-7ddbe0d3e68c.png" alt="massav" width="240" height="70" border="0" style="height: auto;line-height: 100%;outline: none;text-decoration: none;max-width: 100%;"></a>
</td>
</tr>
</table>
<!--[if gte mso 9]>
</v:textbox>
</v:rect>
<![endif]-->
</td>