How to embed dynamic image in mail while sending the mail

 protected void Button1_Click(object sender, EventArgs e)

    {

       //your Image Path

string imagepath = "http://xyz.com/x.jpg";

        SmtpClient sclient = new SmtpClient("smtp.gmail.com", 25);

        sclient.Credentials = new NetworkCredential("[email protected]", "mypassword");

        sclient.EnableSsl = true;

        MailMessage m = new MailMessage(new MailAddress("[email protected]"), new MailAddress("[email protected]"));

        m.IsBodyHtml = true;

// you Can Create Any Other HTML Content Here

m.Body = "">";

        sclient.Send(m);

    }