Those textures try to simulate a city - not an easy task... but they may help you as starting points for better versions !

Here the contrasts are better. but does not scale well.

You should stretch the poly. Make it real wide.

Looks rather strange because of the perspective in the picture...

Strong contrasts. Looks strange in otherwise empty areas.

This is a "how not to do it"...

This one is quite useable.

Looks rather strange because of the perspective in the picture...

The first smaller vilage. More to come... the creek (dark) is too contrastfull.

Needs to sit on a big polygon, otherwise it looks strange.

Needs to sit on a big polygon, otherwise it looks strange.To bright imho.