<a:skin xmlns:a="http://ajax.org/2005/aml"><a:picture name="picture">
    <a:style><![CDATA[
        .image{
            margin-bottom: 10px;
            background: white no-repeat 50% 50%;
            border: 1px solid gray;
        }

        .imageDisabled{
            background-position: 1000px 1000px;
        }

    ]]></a:style>

    <a:presentation>
        <a:main image=".">
            <div class="image">
            </div>
        </a:main>
    </a:presentation>
</a:picture>
<a:picture name="logo">
    <a:style><![CDATA[
        .image{
            margin-bottom: 10px;
        }

        .imageDisabled{
        }

    ]]></a:style>

    <a:presentation>
        <a:main image="@src">
            <img src=""/>
        </a:main>
    </a:presentation>
</a:picture></a:skin>