just http://www.renderosity.com/mod/gallery/browse.php?username=richardphotos (sorry, fotos with ph, English is not my first language) and then pick the sky photos you like, and be sure to have his consent in doing so.

Recent ones:

http://www.renderosity.com/mod/gallery/index.php?image_id=2502528

http://www.renderosity.com/mod/gallery/index.php?image_id=2500735

and a zillion more

- - - - - 

Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though