An Interview With Luke Skywalker: Comic interview with Luke Skywalker, hosted by Randy Tayler RealPlayer required.
Jedi Callie's Luke and Callista Page: Character profiles of Luke Skywalker and Callista Ming, Mark Hamill biography, and fan fiction.
Star Wars: Luke Skywalker: Tatooine farmboy turned hero of the Rebel Alliance. Official Star Wars page.
The Jedi Archives: A site totally dedicated to fan fiction dealing with Luke Skywalker.