La imagen de fondo no aparece en IE8

Así que tengo una pequeña imagen de encabezado que se repite en el eje x, pero por alguna razón no aparecerá en IE8. Alguien sabe una solución?

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<title>Book Site</title>









</head>
<body>
<div id="wrapper">

<div id="header">

    <div id="title">
    <span class="maintitle">Site Title Goes Here</span>
    <br />
    <span class="subtitle">Transitional Justice, Post-Conflict Reconstruction & Reconciliation in Rwanda and Beyond
    Phil Clark and Zachary D. Kaufman, editors</span>
    </div>
    <img class="thebook" src="images/thebook.png" />
    <span class="bookblurb">
    <span class="bookbuy">Buy the book</span>
    get it online
    <br />
    from Columbia,
    Hurst or your
    favorite reseller
    </span>

</div>

<div id="navbar">
    <ul>
        <li>HOME</li>
        <li>ABOUT THE BOOK</li>
        <li>AUTHORS</li>
        <li>NEWS & EVENTS</li>
        <li>KIGALI PUBLIC LIBRARY</li>
        <li>CONTACT US</li>
    </ul>
</div>

<div id="content">
<div id="blockone">
    <div id="polaroid">
    <img class="polaroid" src="images/polaroid.png" />
    <br />

    <span class="roidplace">Gisimba Memorial Centre</span>
    <br />
    <span class="roidname">Kigali, Rwanda</span>
    </div>


    <div id="textblockone">
    <h3>An incisive analysis of genocide and its aftermath</h3>
    <br />
    <span class="description">In After Genocide leading scholars and practitioners analyse the political, legal and regional impact of events in post-genocide Rwanda within the broader themes of transitional justice, reconstruction and reconciliation. Given the 
forthcoming fifteenth anniversary of the Rwandan genocide, and continued mass violence in Africa, especially in Darfur, the Democratic Republic of Congo (DRC) and northern Uganda, this volume is unquestionably of continuing relevance. </span>






    </div>

</div>


<div id="form">
    <div id="statement">
    This book should be labeled for the mature individual only. But for that mature individual it is of extreme interest. 
    It shows, far from any Manichean stereotyping, the many facets of having to try to live in an impossibly complex social 
    and human situation. Highly recommended. 
    <br /><br />
    <span class="author">-Grard Prunier</span> 
    <br /><span class="bookname">The Rwanda Crisis: History of a Genocide (Hurst, 1995)</span>
    </div>
    <div id="contactform">
<span class="contactus">Contact us for additional information and site updates</span>
<br />
<span class="theform">
<form class="forming">
Name:
<input type="text" name="firstname" />
<br />
Title:
<input type="text" name="title" />
<br />
Institution:
<input type="text" name="institution" />
<br />
Email:
<input type="text" name="email" />
<br />
Message:
<input type="text" name="message" class="message" />
</form> 
</span>


</div>
</div>







</div>

<div id="footer">
<p class="footernav">&copy; 2008 After Genocide   <span class="footerlinks">Sitemap  |  Terms  |  Privacy  |  Contact   </span>                                       

<span class="plug">Web design by <span class="avity">Avity</span>
</p>
</div>





</div>
</body>

</html>

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Sitio en vivo:http://cheapramen.com/testsite/

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