public class Book
{
    public string Title { get; set; }
    public string Image { get; set; }
}

public partial class MainPage : Page
{
    public MyTests()
    {
        InitializeComponent();
        ObservableCollection<Book> datas = new ObservableCollection<Book>();
        datas.Add(new Book() { Title = "American Cooking", Image = "/TestingMySpinner;component/Images/Books/American_cooking_1.jpg" });
        datas.Add(new Book() { Title = "Anthologies", Image = "/TestingMySpinner;component/Images/Books/Anthologies_1.jpg" });
        datas.Add(new Book() { Title = "Application and Software", Image = "/TestingMySpinner;component/Images/Books/Application_and_Software_1.jpg" });
        datas.Add(new Book() { Title = "Baking", Image = "/TestingMySpinner;component/Images/Books/Baking_1.jpg" });
        datas.Add(new Book() { Title = "Computer hardware", Image = "/TestingMySpinner;component/Images/Books/Computer_hardware_1.jpg" });
        domain.ItemsSource = datas;
    }
}

<Grid>
    <Intersoft:UXDomainUpDown x:Name="domain" Height="100" Width="170">
            <Intersoft:UXDomainUpDown.ItemTemplate>
                <DataTemplate>
                    <Grid>
                        <Image Source="{Binding Image}" />
                    </Grid>
                </DataTemplate>
            </Intersoft:UXDomainUpDown.ItemTemplate>
        </Intersoft:UXDomainUpDown>
</Grid>