WPF loading animation

<Window x:Class="ru.flex.Pingavator.PointLoadingWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Title="PointLoadingWindow" Height="200" Width="200"
        AllowsTransparency="True" WindowStyle="None" ShowInTaskbar="False">
    <Window.Background>
        <SolidColorBrush Opacity="0" Color="White"/>
    </Window.Background>
    <Grid>
        <Image
                    Source="/images/spinner.png"
                    Width="100"
                    Height="100"
                    RenderTransformOrigin="0.5, 0.5">
            <Image.Effect>
                <DropShadowEffect ShadowDepth="15" BlurRadius="15" RenderingBias="Performance"/>
            </Image.Effect>
            <Image.RenderTransform>
                <RotateTransform x:Name="noFreeze" />
            </Image.RenderTransform>
            <Image.Triggers>
                <EventTrigger RoutedEvent="Loaded">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation
                                            Storyboard.TargetProperty="(Image.RenderTransform).(RotateTransform.Angle)"
                                            To="360" Duration="0:0:1" RepeatBehavior="Forever" />
                            <DoubleAnimation
                                            Storyboard.TargetProperty="(Image.Effect).(DropShadowEffect.Direction)"
                                            From="315" To="675" Duration="0:0:1" RepeatBehavior="Forever" />
                            <DoubleAnimation
                                            Storyboard.TargetProperty="(Image.Effect).(DropShadowEffect.ShadowDepth)"
                                            From="35" To="5" Duration="0:0:2" RepeatBehavior="Forever" AutoReverse="True"/>
                            <DoubleAnimation
                                            Storyboard.TargetProperty="(Image.Effect).(DropShadowEffect.BlurRadius)"
                                            From="30" To="5" Duration="0:0:2" RepeatBehavior="Forever" AutoReverse="True"/>
                            <ThicknessAnimationUsingKeyFrames Storyboard.TargetProperty="Margin" BeginTime="00:00:00"
                                            RepeatBehavior="Forever" AutoReverse="True">
                                <SplineThicknessKeyFrame KeyTime="00:00:00" Value="-15,-15,0,0" />
                                <SplineThicknessKeyFrame KeyTime="00:00:2" Value="15,15,0,0" />
                            </ThicknessAnimationUsingKeyFrames>
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </Image.Triggers>
        </Image>
    </Grid>
</Window>