<table>
<tr><td ><div style="width: 400px; background-color:green; height:100%">This div does not flex.</div></td>
<td><img height=200 width=200></td></tr></table>

<p></p>

<table>
<tr><td ><img style="width: 400px; height:200px; background-color:green;"></td>
<td><img height=200 width=200></td></tr></table>