Searching for doors can be a bit of a challenge when you shop around. There are several varieties of doors including exterior, interior, and sliding to name just a few. Depending on its function, the door is usually constructed of varying degrees of strength. Obviously, an exterior door needs to be very strong to prevent unlawful entry into a home. A challenge I have is finding decent pictures on the web for doors. I was able to find some today from a company called Tre-Piu. Their Polis line is what is displayed for the interior and exterior doors. There is a variety of choices in the product line as well as five colors: dark walnut, light walnut, cream, white, and cherry. The sliding door models are available in inside wall and outside wall configurations and several color options as well. More information: here.