I find this article to be helpful! I like the ‘problem, action, result’ method.
Insights on writing your resume:
Getting Hired… (Core77)
Advice for Online Graphic Design Portfolios (David Airey)
Creating a Successful Online Portfolio (Smashing Magazine)
Presenting Your Portfolio (Steff Geissbuhler)
Designer Portfolio 101 (How Magazine)
10 Essential Tips for Creating that Killer Portfolio (Design Sojourn)