These Oak Stairs pictures will show you some examples and give you some ideas for designing your own stairs.
Here are traditional solid oak stairs with an oak hand rail.
These oak stairs have painted white sides and stairskirts.
Here are all natural dark oak stairs with oak spindles and rails.
Here are oak stairs and rails with black metal spindles.
Here's an oak staircase with a direction changing landing in the middle.
Here's a beautiful curved oak staircase with a carpet runner.