Mr. Fairey did issue a cease and desist order to artist Baxter Orr, who used the Andre the Giant Obey image. It's interesting that Mr. Fairey didn't bring this up when asked at NYPL last week about where to draw the line on fair use. Here's a link to the story in the Austin Chronicle:

http://www.austinchronicle.com/gyrobase/Issue/story?oid=oid%3A625022