Brick and Stone Paper is a quick and easy "faux" floor. These papers can also be used for foundations. These papers are heavyweight, which helps hide imperfections under the paper.
Since floors are much more prone to scuffing than walls, consider an additional sealer, such as Modge Podge on floor papers. ALWAYS test on a scrap of your paper first!
Foundations are even more prone to scuffing as you move your house! A matte Modge Podge sealer will tone down the shininess of the paper for a more natural look.