Add Railing to Patio Rendering

I have a finished 3-D patio rendering and a separate reference photo that shows the exact railing style I want. Your job is to insert that railing digitally so the final image looks as if it was designed that way from the start... (Budget: $10 - $30 USD, Jobs: 3D Animation, 3D Design, 3D Modelling, 3D Rendering, 3D Visualization, 3ds Max, Photoshop, SketchUp)