You can start with the color blending of the walls and cabinets. Drawing the colors of nature will be helpful for your painting ideas. Tuscan kitchen idea is not about how expensive your furniture is. It is not about how much you have spent in redecorating kitchen. It is about how you blend the colors and how much you have adored the touch of the old world.
The walls and floors of a Tuscan kitchen are merely inspired by old stuff-like quarry tiles and the likes. Since it is hard to find, nowadays, and may cost you a lot, you can just replace it with a rug with an old stone design. Working on your creativity will help you a lot in making your kitchen an ideal place for family gathering. You should try to visit a bookstore and check on Tuscan inspired kitchen magazines and books; they will provide you with lots of interesting and useful ideas you can use without spending a lot.