Thisone I've done on a terrain I've exported from Mojoplanet 'Deserted' (no creator mentioned in the planet-file); can be found here -> [link]
atmo is based on 'Ocean' by 'Melc' on Terranuts/Renderosity, surfaces I did create and combine from my own presets.
Rendered in double resolution, scaled down and resharpen in PS, no additional postwork here.
Hope you like it.
Thanks for viewing and commenting.
EDIT: changed to wallpapersize and some tone-correction done May 2010