public class Person
        {
            public string Name { get; set; }
            public string Image { get; set; }
        }

List<Person> persons = new List<Person>();
некоторый цикл ...
 {
                cbServer.Items.Add(valuename);
                persons.Add(new Person{ Name = valuename, Image = "DB.ico"});
 }

bi001.ItemsSource = persons;

            <ListBox x:Name="bi001" Margin="0,25,0,0">
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <StackPanel Orientation="Horizontal" Margin="2,2,2,2">
                            <Image x:Name="txtStockID01" Source="{Binding Image}" Height="15" Width="15"/>
                             <TextBlock x:Name="txtStockID02" Text="{Binding Name}" />
                        </StackPanel>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>

<Image x:Name="txtStockID01" Source="DB.ico" Height="15" Width="15"/>