My html code looks like this:
A wrapper div (percent width, floated left) containing:
http://jsfiddle.net/QGyNN/
HTML
<div id="wrapper">
<div id="txt">
</div>
<div id="img">
</div>
</div>
CSS
div#wrapper
{
height:100px;
width:60px;
border:1px solid black;
position:relative;
}
div#txt, div#img
{
position:absolute;
margin: 5px;
width:50px;
}
div#img
{
top:0px;
height: 60px;
border:1px solid red;
}
div#txt
{
bottom:0px;
height:20px;
border:1px solid green;
}