Centered Image Functionality
If you want an image that's centered, or just an image that's all by itself, away from text, use the class centerImage on an image to do just that.
A clearBoth class is not necessary after an image with the centerImage class.
Relevant HTML
<img src="../images/image.jpg" alt="sample image" class="centerImage" />
Relevant CSS
.centerImage
{
margin:0 auto;
padding:0 0 1em 0;
display:block;
float:none;
}