HttpWebRequest request = (HttpWebRequest)WebRequest.Create("your url that gives" & _
  "jpeg image");
 
HttpWebResponse response = (HttpWebResponse)request.GetResponse ();
 
Byte[] imgdata = new byte[response.ContentLength];
 
Stream receiveStream = response.GetResponseStream();
 
receiveStream.Read(imgdata,0,imgdata.Length);
 
FileStream fs = new FileStream( _
  "c:\\yourtpath\\filename.jpg",FileMode.OpenOrCreate, FileAccess.Write);
 
fs.Write(imgdata , 0,imgdata.Length);
 
fs.Close();

Dim request As Net.HttpWebRequest
Dim response As Net.HttpWebResponse
Dim imgdata() As Byte
Dim receiveStream As Stream
Dim fs As FileStream
 
request = WebRequest.Create(url)
response = request.GetResponse()
imgdata() = New Byte[response.ContentLength] <= Falsch!
receiveStream = response.GetResponseStream()
receiveStream.Read(imgdata, 0, imgdata.Length)
fs = New FileStream("c:\\yourtpath\\filename.jpg", FileMode.OpenOrCreate, _
  FileAccess.Write)
fs.Write(imgdata, 0, imgdata.Length)
fs.Close()