<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/09/12/changing-a-slider-controls-thumb-skin/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Style>
        ToolTip {
            backgroundAlpha: 1.0;
            backgroundColor: haloBlue;
            fontWeight: bold;
            color: white;
        }

        HSlider {
            thumbSkin: Embed(source="assets/bug.png");
            dataTipPlacement: right;
            dataTipOffset: 0;
        }
    </mx:Style>

    <mx:HSlider id="slider"
            minimum="-10"
            maximum="20"
            labels="[-10, 0, 10, 20]"
            snapInterval="1"
            tickInterval="10"
            liveDragging="true"
            dataTipPrecision="0"
            showTrackHighlight="true"
            sliderThumbClass="BigThumbClass" />

</mx:Application>