#slideshow {
    position:relative;
    height:192px;
    width:255px;
}

#slideshow IMG {
    position:absolute;
    top:0;
    left:0;
    z-index:4;
    opacity:0.0;
}

#slideshow IMG.active {
    z-index:6;
    opacity:1.0;
}

#slideshow IMG.last-active {
    z-index:5;
}