public void Scale(int width, int height)
		{
			OctreeQuantizer quantizer = new OctreeQuantizer(255, 8);

			Bitmap thumb = new Bitmap(width, height);
			Graphics g = Graphics.FromImage(thumb);
			g.InterpolationMode = InterpolationMode.HighQualityBicubic;
			g.DrawImage(image, new Rectangle(0,0,thumb.Width,thumb.Height),0,0,image.Width,image.Height,GraphicsUnit.Pixel);
			image.Dispose();

			if (_text.Length > 0)
			{
				Font font = new Font("Verdana", 8, FontStyle.Bold);
				Bitmap watermark = new Bitmap(thumb.Width, 20);

				Graphics g2 = Graphics.FromImage(watermark);
				g2.FillRectangle(
					new SolidBrush(Color.Black),
					new RectangleF(0, 0, watermark.Width, watermark.Height));
				g2.DrawString(_text, font, new SolidBrush(Color.White), 1, 3);
				g2.Dispose();

				Color color;

				for (int py = 0; py < watermark.Height; py++)
				{
					for (int px = 0; px < watermark.Width; px++)
					{
						color = watermark.GetPixel(px, py);
						watermark.SetPixel(px, py, Color.FromArgb(96, color.R, color.G, color.B));
					}
				} 

				g.DrawImage(watermark, 0, thumb.Height - 20);
			}

			g.DrawRectangle(new Pen(Color.Black), 0, 0, thumb.Width - 1, thumb.Height - 1);
			g.Dispose();

			Bitmap quantized = quantizer.Quantize(thumb);
			thumb.Dispose();

			HttpContext.Current.Response.ContentType = "image/gif";
			quantized.Save(HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
			quantized.Dispose();
		}