<Button x:Name="btnWeiter" Margin="297,44,6,0" IsDefault="False" Height="120" _
  VerticalAlignment="Top" Background="MediumSpringGreen" _
  BorderBrush="MediumSpringGreen" BorderThickness="0">
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="40*" />
                        <RowDefinition Height="50*" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="*" />
                    </Grid.ColumnDefinitions>
                    <Image Source="../Images/login1.bmp" Margin="5" _
                      Grid.ColumnSpan="1" Grid.RowSpan="2" />
                    <StackPanel Grid.Column="1" Margin="5" Grid.RowSpan="2">
                        <TextBlock Text="Start" FontWeight="Bold" />
                        <TextBlock Text="Erklärung" TextWrapping="Wrap" />
                    </StackPanel>
                </Grid>
            </Button>

mein aktuelles .net-Projekt:
http://www.fiman.de
freue mich über Test-Informationen.

Screenshots gibt es hier: http://www.fiman.de