<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/03/setting-the-icon-on-a-linkbutton-control-in-flex/ -->
<mx:Application name="LinkButton_icon_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:LinkButton id="linkButton"
            label="LinkButton"
            icon="@Embed('assets/LinkButton.png')" />

</mx:Application>