http://www.fotopolis.pl/galeria/Kalendarz_Pirelli_2004_wrz.jpg

http://www.fotopolis.pl/galeria/Kalendarz_Pirelli_2004_cze.jpg

My question is simple - how to achieve this kind of blur? Is it Photoshop, or just some chemistry play in the laboratory? If it's PS, maybe you have some ideas on how to get the same effect or at least something similar?

The full calendar can be viewed here:

http://www.pirellical.com/thecal/calendar.html

Thanks in advance for all your help :)

lots of Median filtering with different amounts of radius.