The Steve Martin Method: A Master Comedian's Advice for Becoming Famous. Not directly from Steve Martin, but still an interesting look into his career.
Seth Godin: Drip, Drip, Drip Goes the Twit. Marketing advice. Sort of a slow and steady wins the race kind of thing.
Copyblogger: How to Blog Like Bond. James Bond.
and a companion piece, Dr. Evil's 7 Tips for Achieving Worldwide Marketing Domination.
Wired: Need to Create? Get a Constraint.
Wired: 9 Equations True Geeks Should (at least pretend to) Know. Something makes me want to use these as writing prompts.
Nova Ren Suma: On Inspiration. Guest post by Alexander Chee.
Write it Forward (Bob Mayer): Kernel Idea Examples. Followup to last week's link on kernel ideas.
Editorrent: Paragraph Power...At the End. Interesting, quick post about rearranging a paragraph of dialogue for best impact.
Jody Hedlund: How to Keep Writing When the Honeymoon is Over.