Download:
I uploaded the file to Blendswap. As soon as the website publish the file, I put the URL here.
The material:
This is a refined version of procedural earth material. The previous version is Blender: Procedural Earth Material – Gappy Facets.
I changed the shape pattern of continents, and made detailed color and color distribution.
And I make cloud animation below. The cloud is procedural. So it can be moved around the earth seamlessly,