Very simple example shows how to use Background Image with Spark Container

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark"> 

    <fx:Script>
        <![CDATA[

	    [Bindable]
            [Embed(source="sampleImage.jpg")]
            public var ImageSample:Class;
        ]]>
    </fx:Script> 

    <s:BorderContainer
        backgroundImage="{ImageSample}"
        width="100%" height="100%">
    </s:BorderContainer>
</s:Application>

Tags: backgroundImage, BorderContainer, Spark