Semadar

Some Planet tutorials

Dr. Photoshop
http://dr-photoshop.com/planet.php

Solar Voyager
http://www.solarvoyager.com/tutorials.asp

Art of Greg Martin
http://gallery.artofgregmartin.com/t..._a_planet.html

Digital Motion
http://www.idigitalemotion.com/tutor...t2/planet.html


Deviant Art (to me the best tutorial)
http://www.deviantart.com/view/3131869/