Scaling an image with PixelFormat of Rgb32 corupts image

using (Bitmap bm = Bitmap.FromFile("SomeFile.jpg") as Bitmap)
            {
                using (Aurigma.GraphicsMill.Bitmap aurigma = new Aurigma.GraphicsMill.Bitmap(bm.Width, bm.Height, Aurigma.GraphicsMill.PixelFormat.Format32bppRgb))
                {
                    using (Graphics g = aurigma.GetGdiplusGraphics())
                    {
                        g.DrawImage(bm, new Rectangle(0, 0, bm.Width, bm.Height));
                    }

                    SizeF newSize = new SizeF(bm.Width*1.1f, bm.Height*1.1f);
                    aurigma.Transforms.Resize(newSize);

                    aurigma.Save("C:\\corrupt.jpg");
                }
            }