Rectangle.Fill with ImageBrush
<UserControl x:Class='SilverlightApplication3.MainPage' 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' d:DesignWidth='640' d:DesignHeight='480'> <Grid Margin="20"> <Rectangle Grid.Row="3" Grid.Column="0" Width="300" Height="150" Stroke="MediumBlue" StrokeThickness="1" HorizontalAlignment="Left"> <Rectangle.Fill> <ImageBrush Stretch="None" ImageSource="c:\image.jpg" /> </Rectangle.Fill> </Rectangle> </Grid> </UserControl>