In this post I will paste some examples of illustrators using internet and other rich media as part of their work:
Geninnes Art Work: A very good example of an illustrator artist using media to boost her career: A Blog, an engaging facebook fan page, online store, etc.: http://blogdelanine.blogspot.ca/
Erin Stead Portfolio. Including a video promoting his books.
Paula Bonet online site.Includes an illustrated diary: