example background artwork.
ADD
WalletWasabi.Fluent/Assets/oobe.png
WalletWasabi.Fluent/Assets/oobe.png
Binary files /dev/null and b/WalletWasabi.Fluent/Assets/oobe.png differ

MODIFY
WalletWasabi.Fluent/Views/AddWallet/WelcomePageView.axaml
WalletWasabi.Fluent/Views/AddWallet/WelcomePageView.axaml
EnableBack="False"
EnableNext="False"
ScrollViewer.VerticalScrollBarVisibility="Disabled">
+ <StackPanel Spacing="40">
<StackPanel>
<DockPanel>
<StackPanel Spacing="36" DockPanel.Dock="Left">
Use Wasabi Wallet to retain your individuality, regain your identity and ultimately, reclaim your privacy. We let you control what you reveal about your Bitcoin life.
</TextBlock>
</StackPanel>
+ </StackPanel>
<StackPanel Spacing="30" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0 32 0 0">
<StackPanel.Styles>

MODIFY
WalletWasabi.Fluent/Views/MainView.axaml
WalletWasabi.Fluent/Views/MainView.axaml
FallbackColor="{DynamicResource AcrylicFallbackColor}"
MaterialOpacity="0.55" />
</ExperimentalAcrylicBorder.Material>
+ <Image Source="/Assets/oobe.png" Stretch="UniformToFill" />
</ExperimentalAcrylicBorder>
<c:Dialog x:CompileBindings="False"
DataContext="{Binding FullScreen}"

example background artwork.