82 Creative Container Gardens: Pansies, Violas, Panolas, Grass, & Ivy - Southern Living Grass grows so easily. would be pretty in multi-layered pots. Chives would give the same look in an herb garden. Annuals mixed in with herbs might be pretty.
I like this idea for our front yard, to create a path from the driveway to the front walk. I originally wanted flagstone, but flagstone paths are too uneven for the high heels I usually wear. This would be far more even for walking on.