Use
your favorite tutorials to create a cool looking
Fractal Terrains map.
Like So:

Use Equirectangular Projection. Don't ask why for now, I'll explain later.
Now what we want to do is export this map to multiple files. So open up
File >>
Export World >>
Multiple Files... to get to the Magic Dialog
Do:

To open:

Now on this page we have a few things to do here.
- Turn Generate JPG Files on
- Turn Generate HTML Files on
- Pick the Number of Layers - I am only using 2 here to let us get through this.
- Now we pick the files wide and high. I set it to 3 for each of the 2 Layers.
- Set the Resolution to a Power of 2. I have been using 256, but you could go to 512 if you like.
- Select where the files will all be saved.
- Click OK and (as long as you didn't have too many images being generated) it will take a small amount of time to generate all the files.
We are done with this application for a basic setup.
Use FT2GE to setup the files for Google Earth