css dosyana 

.dots {position:fixed;width:100%;height:100%;background:url(../Content/themes/base/images/globalImg/dot.png);z-index:-999;}
ekle sayfana 
<div class="dots"></div>

<div id="thumbs1" class="hidden">
    <a href="../../Content/themes/base/images/bg/15.jpg">1</a>
    <a href="../../Content/themes/base/images/bg/16.jpg">1</a>
    <a href="../../Content/themes/base/images/bg/17.jpg">1</a>
    <a href="../../Content/themes/base/images/bg/18.jpg">1</a>
    <a href="../../Content/themes/base/images/bg/19.jpg">1</a>
    <a href="../../Content/themes/base/images/bg/20.jpg">1</a>
</div>
görselleri ve yolları kendine göre düzenle yapamazsan şu örneği bi incele