Check out this RealTree accent rug. At 29" X 18" it's a great fit for the area just inside the door of my Grandby:
http://www.houzz.com/photos/8824125/Real-Tree-Ap-Accent-Rug-29x18-craftsman-rugs
http://www.houzz.com/photos/8824125/Real-Tree-Ap-Accent-Rug-29x18-craftsman-rugs