public static string UploadImageToGoogle(string username, string password)
        {
            const string image = "C:\\Popular\\1.jpg";
            if (!System.IO.File.Exists(image))
                return "Error! Image not found";

            PicasaService service = new PicasaService("BloggerPoster");
            service.setUserCredentials(username, password);

            Uri postUri = new Uri(PicasaQuery.CreatePicasaUri(username));

            FileInfo fileInfo = new System.IO.FileInfo(image);
            FileStream fileStream = fileInfo.OpenRead();

            PicasaEntry entry = (PicasaEntry)service.Insert(postUri, fileStream, "image/jpg", image);
            fileStream.Close();

            Photo ac = new Photo();
            string contentUrl = (string) entry.Media.Content.Attributes["url"];

            return contentUrl;
        }