Here are some tips for laying down a nice stone walkway outside your home. After making the walkway with string, the first step is to lay a foundation of stone dust. When it's level, begin laying in the stone pieces. It may take a bit of planning to get a perfect fit. Once they are in place, tap tham tight with a hammer and a piece of scrap wood. Finally, sweep the excess dust into the cracks to prevent shifting and insure a compact fit.