#slideshow {    
    height:288px;
    margin: 0 auto 5px 35px;
    text-align: center;
    width:930px;
    float: right;
}

#slideshow img {  
    background-color: #eee;  
    width:  890px; 
    height: 288px; 
    top:  0; 
    left: 0;
    border: 2px solid #000; 
}