MainPage.xaml

<phone:PhoneApplicationPage
    x:Class="PhoneApp1.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    shell:SystemTray.IsVisible="True">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Black">
        <StackPanel>
            <Grid>
                <Image x:Name="ImgOrg" Width="256" Height="256" VerticalAlignment="Top" HorizontalAlignment="Left"/>
                <Image x:Name="ImgOrgOverlay" Width="64" Height="64" VerticalAlignment="Top" HorizontalAlignment="Left" />
            </Grid>
            <Image x:Name="ImgMod" Width="256" Height="256" VerticalAlignment="Top" HorizontalAlignment="Left"/>

        </StackPanel>    </Grid>

</phone:PhoneApplicationPage>