Avalonia/samples/ControlCatalog/Pages/ImagePage.xaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             x:Class="ControlCatalog.Pages.ImagePage">
  <DockPanel>
    <StackPanel DockPanel.Dock="Top" Orientation="Vertical" Spacing="4">
      <TextBlock Classes="h2">Displays an image</TextBlock>
    </StackPanel>

    <Grid ColumnDefinitions="*,*,*" RowDefinitions="Auto,*" Margin="64">

      <TransitioningContentControl  Width="250"  Foreground="#6c6e70"
                                       FontSize="12" >
        <TransitioningContentControl.PageTransition>
          <PageSlide Duration="0:0:5" />
        </TransitioningContentControl.PageTransition>
        <TransitioningContentControl.Content>
          <Image 
               Source="/Assets/delicate-arch-896885_640.jpg"/>
        </TransitioningContentControl.Content>
      </TransitioningContentControl>
    </Grid>
    
  </DockPanel>
</UserControl>