1. StaticResource DoubleAnimation. ( ):
<Window.Resources>
<DoubleAnimation x:Key="DA"
Storyboard.TargetName="Img1"
Storyboard.TargetProperty="Opacity"
From="1" To="0" Duration="0:0:0.1"
AutoReverse="True" RepeatBehavior="Forever" />
</Window.Resources>
2. Storyboard.TargetName RelativeSource Binding. :
<Image Name="img1">
<Image.Triggers>
<EventTrigger RoutedEvent="Image.Loaded">
<BeginStoryboard >
<Storyboard Storyboard.TargetName="{Binding Name,RelativeSource={RelativeSource AncestorType=Image,Mode=FindAncestor}}">
<StaticResourceExtension ResourceKey="DA" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Image.Triggers>
</Image>