<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/03/18/horizontally-aligning-form-items-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Style>
        Form {
            backgroundColor: white;
            backgroundAlpha: 0.2;
            borderColor: black;
            borderStyle: solid;
            borderThickness: 1;
        }

        FormItem {
            labelStyleName: myFormItemLabelStyleName;
        }

        .myFormItemLabelStyleName {
            fontWeight: bold;
        }
    </mx:Style>

    <mx:Form id="form" width="300">
        <mx:FormItem label="left:"
                horizontalAlign="left"
                width="100%">
            <mx:Image source="@Embed('assets/air_appicon-tn.gif')" />
        </mx:FormItem>
        <mx:FormItem label="center:"
                horizontalAlign="center"
                width="100%">
            <mx:Image source="@Embed('assets/fl_appicon-tn.gif')" />
        </mx:FormItem>
        <mx:FormItem label="right:"
                horizontalAlign="right"
                width="100%">
            <mx:Image source="@Embed('assets/fx_appicon-tn.gif')" />
        </mx:FormItem>
    </mx:Form>

</mx:Application>