using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using System.IO;
using System.Reflection;

/* a class which implements IService (see Service),
 * and configuration entries that specify behaviors associated with 
 * that implementation (see <system.serviceModel> in web.config)*/
namespace PhotoManagerService
{
    
    [ServiceContract]
    public interface IPhotoManagerService
    {
        [OperationContract()]
        string[] GetPhotoList();

        [OperationContract]
        Stream GetPhotoStream(string Photo);
    }

    public class PhotoManagerService : IPhotoManagerService
    {

        

        string[] IPhotoManagerService.GetPhotoList()
        {
            string[] photoList = new string[3];
            photoList[0] = "mogilny1.jpg";
            photoList[1] = "mogilny2.jpg";
           
            return photoList;
        }





        Stream IPhotoManagerService.GetPhotoStream(string photo)
        {
            string photoFile = String.Format("{0}\\{1}", "C:\\", photo);

            FileInfo fi = new FileInfo(photoFile);

            if (!fi.Exists)
                throw new FileNotFoundException("File does not exist: {0}. Check host configuration for 'PhotoPath' setting.", photo);

            FileStream fs = null;
            try
            {
                fs = new FileStream(photoFile, FileMode.Open, FileAccess.Read, FileShare.Read);
            }
            catch
            {
                if (fs != null)
                    fs.Close();
            }

            return fs;
        }

       
    }
}

//////////////////

<services>
			<service name="PhotoManagerService.PhotoManagerService" behaviorConfiguration="ServiceBehavior">
				<!-- Service Endpoints -->
				<endpoint address=""  binding="basicHttpBinding" contract="PhotoManagerService.IPhotoManagerService">
					<!-- 
              Upon deployment, the following identity element should be removed or replaced to reflect the 
              identity under which the deployed service runs.  If removed, WCF will infer an appropriate identity 
              automatically.
          -->
          
					<identity>
            
						<dns value="localhost"/>
					</identity>
				</endpoint>
				<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
			</service>

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.Text;
using System.IO;
using System.Reflection;
using System.Drawing;


[ServiceContract]
public interface IPhotoManagerService
{
    [OperationContract()]
    string[] GetPhotoList();
    [OperationContract]
    Stream GetPhotoStream(string Photo);
}
public partial class MyContractClient : ClientBase<IPhotoManagerService>, IPhotoManagerService
{
    public MyContractClient()
    { }
    public MyContractClient(string endpointName)
        : base(endpointName)
    { }
    public MyContractClient(Binding binding, EndpointAddress remoteAddress) :
        base(binding, remoteAddress)
    { }
    /* Additional constructors */

    public string[] GetPhotoList()
    {
        return Channel.GetPhotoList();
    }
    public Stream GetPhotoStream(string Photo)
    {
        return Channel.GetPhotoStream(Photo);
    }
}


    
public partial class _Default : System.Web.UI.Page 
{
    
    
    protected void Page_Load(object sender, EventArgs e)
    {
        


    }
    public bool ThumbnailCallback()
    {
        return false;
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string[] s; 
        int thumbWidth = 400;
        int thumbHeight = 300;
        System.Drawing.Image.GetThumbnailImageAbort myCallBack = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
        MyContractClient proxy = new MyContractClient("basicHttpBinding_IPhotoManagerService");
        s = proxy.GetPhotoList();
        Label1.Text = s[0] +" "+ s[1];
        Stream serverStream = proxy.GetPhotoStream(s[0]);
        Bitmap myBitmap = new Bitmap(serverStream);
        System.Drawing.Image myThumbnail = myBitmap.GetThumbnailImage(thumbWidth, thumbHeight, myCallBack, IntPtr.Zero);
        myThumbnail.Save(Server.MapPath("~/" + s[0]));
        Image1.ImageUrl = "~/" + s[0];
        myThumbnail.Dispose();
        myBitmap.Dispose();

        serverStream = proxy.GetPhotoStream(s[1]);
        myBitmap = new Bitmap(serverStream);
        myThumbnail = myBitmap.GetThumbnailImage(thumbWidth, thumbHeight, myCallBack, IntPtr.Zero);
        myThumbnail.Save(Server.MapPath("~/" + s[1]));
        Image2.ImageUrl = "~/" + s[1];
        myThumbnail.Dispose();
        myBitmap.Dispose();

        DataBind();
        
    }
    
}
/////////////////////////
<system.web>
    <httpRuntime maxRequestLength="2097151"/>
...
</system.web>
...
<system.serviceModel>
		<bindings>

      <basicHttpBinding>
				<binding name="basicHttpBinding_IPhotoManagerService" transferMode="Streamed"  closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="2097151" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false">
					<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384"/>
					
					<security mode="TransportCredentialOnly">
						<transport clientCredentialType="None" proxyCredentialType="None" realm=""/>
						<message  algorithmSuite="Default" />
					</security>
				</binding>
			</basicHttpBinding>
		</bindings>
		<client>
			<endpoint address="http://t-1000/my/WCF/StreamingService/Service.svc" binding="basicHttpBinding" bindingConfiguration="basicHttpBinding_IPhotoManagerService" contract="IPhotoManagerService" name="basicHttpBinding_IPhotoManagerService">
				<identity>
					<dns value="localhost"/>
				</identity>
			</endpoint>
		</client>
	</system.serviceModel>