Of course, I am very happy that my figures are liked and used, and also happy that I was referenced (my name and the blog are mentioned below the respective figures, and really also appear in the list of references ;-). However, I was somewhat surprised about not having been asked for the permission of the images’ reproduction. I even could have supplied them in high resolution.
By the way, if you want to have a look at the book (yes, free advertisement… maybe I get a copy of the book as appreciation;) , you can find it at google books (hope the links works..) and also at Scribd, although for the latter link, I am pretty sure that the book pdf is published without Wiley’s permission! Disclaimer: all links go to external sites, they are just for your information. [Update 7.7.2009: the book pdf on Scribd was deleted at the request of John Wiley and Sons.]
So, once again, I am happy if you use my material and give me credit, even if you do not ask. But please do!