public void Generate(int image_count, bool have_faces)
        {
            Collage.Images.Clear();
//            Console.Write("Selecting Images\r");
            ReadImages(image_count, have_faces);
//            Console.Write("Arranging Images\r");
            Collage.Arrange();
//            Console.Write("Generating Collage\r");
            Bitmap = Collage.Render();
        }