XAML - Code

<UserControl
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"
x:Class="SilverlightApplication1.Scroller"
d:DesignWidth="0" d:DesignHeight="179">
<UserControl.Resources>
<Storyboard x:Name="ScrollSB" RepeatBehavior="Forever" >
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)" Storyboard.TargetName="Image0">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:13" Value="1300"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)" Storyboard.TargetName="Image1">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:13" Value="1300"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</UserControl.Resources>

<Grid x:Name="LayoutRoot">
<Image x:Name="Image0" Source="LOGO.png" Stretch="Fill" Margin="0,0,0,0" RenderTransformOrigin="0.0,0.0" >
<Image.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Image.RenderTransform>
</Image>
<Image x:Name="Image1" Source="LOGO.png" Stretch="Fill" Margin="-1366,0,0,0" HorizontalAlignment="Left" Width="1366" RenderTransformOrigin="0.0,0.0">
<Image.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Image.RenderTransform>
</Image>
</Grid>
</UserControl>