Canvas Page
<Image x:Name="imgBackground" Source="MyImage.png" Stretch="UniformToFill" Width="{Binding Path=ActualWidth, ElementName=container}" Height="{Binding Path=ActualHeight, ElementName=container}" />Grid Page
</Grid.RowDefinitions>
<!-- BACKGROUND IMAGE -->
<Image x:Name="Assets/imgBackground" Source="MyImage.png" Stretch="UniformToFill" Grid.ColumnSpan="999" Grid.RowSpan="999"/>Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.