Runner.

A few years ago, I created a carpet runner out of samples I had acquired from my job at an architectural/interiors firm.

It got quite a bit of attention, being blogged several times, including Design Public's HATCH blog, and Apartment Therapy.  I thought I would repost the idea- which you may want to try yourself!

All you need is several carpet samples (in a variety of colors), quality duct tape, about 1/2 hour, and voila!