Get all images from instagram (api v1)

instagram.cs

            do
            {
                if (webRequest == null && string.IsNullOrEmpty(nextPageUrl))
                    webRequest = HttpWebRequest.Create(String.Format("https://api.instagram.com/v1/tags/{0}/media/recent?client_id={1}", tagName, clientId));
                else
                    webRequest = HttpWebRequest.Create(nextPageUrl);

                var responseStream = webRequest.GetResponse().GetResponseStream();
                Encoding encode = System.Text.Encoding.Default;


                using (StreamReader reader = new StreamReader(responseStream, encode))
                {
                    JToken token = JObject.Parse(reader.ReadToEnd());
                    var pagination = token.SelectToken("pagination");

                    if (pagination != null && pagination.SelectToken("next_url") != null)
                    {
                        nextPageUrl = pagination.SelectToken("next_url").ToString();
                    }
                    else
                    {
                        nextPageUrl = null;
                    }

                    var images = token.SelectToken("data").ToArray();

                    foreach (var image in images)
                    {
                        var imageUrl = image.SelectToken("images").SelectToken("standard_resolution").SelectToken("url").ToString();

                        if (String.IsNullOrEmpty(imageUrl))
                            Console.WriteLine("broken image URL");

                        var imageResponse = HttpWebRequest.Create(imageUrl).GetResponse().GetResponseStream();

                        var imageId = image.SelectToken("id");

                        using(var imageWriter = new StreamWriter(String.Format("{0}\\{1}.jpg", outputDir, imageId)))
                        {
                            imageResponse.CopyTo(imageWriter.BaseStream);
                            imageResponse.Flush();
                            Console.WriteLine("copied {0}", imageId);
                        }

                    }


                }

            }
            while (!String.IsNullOrEmpty(nextPageUrl));