What is Stucco? Basically it is a plaster that can be added to the outside or inside walls and structures to help hide the building materials below it. This gives the building a finished surface to paint or seal, and to cover less visually appealing construction materials, such as metal, concrete, cinder block, or clay, brick and adobe. This process is used throughout the world and has been used throughout time. This instructional will hopefully help you recreate this look on your models with ease.
Here is the tutorial for download: