He has many years of experience in digital arts and it is a hobby as well as a profession for him. Clarke doesn't use HRD mainstream software. He tries to edit HDR images differently as to differentiate him from other artists. Clarke has nearly 30 years of experience now as he started photography in the '80s. He puts on display more of his great work under his flickr name, timaz. Clarke doesn't want to stop at photography. His future goals include writing a book on HDR.