I stumbled on this by accident when I saw a reference to a robotic grasshopper image I made a while back. While the arguments presented are totally right on - I am nonetheless MASSIVELY flattered to see my work posted with accompanying praise.
There are certainly artists who would be opposed to having their work posted up in such a way (instead of linking to the original source), I just happen to not be one of them. A safe bet would be to just drop an email and ask. In this case I would have happily answered, "Awesome!"
PS - Glad you liked it Leo the Lion.