It's been brought to my attention to a very old journal from 2009 that I haven't updated my policy on the use of my images.
I have a general policy that if you wish to do a drawing of my photographs, go for it. In my mind if you are doing a drawing you are creating an image and art in your own right.
In regards to manipulation, if you are creating a work of art I am ok with this too. I mean real digital manipulation. For example:
No, I do not give a general carte blanche to use my images as sign tags, skins and have not.
The Illustrated Eye