I'm not ever sure who my audience is for these blog postings, but I'll assume a good number of you are either writers or wannabe writers. PIXAR has posted a list of 22 rules of storytelling.
Read 'em at http://io9.com/5916970/the-22-rules-of-storytelling-according-to-pixar
Read 'em! They are very good rules from a long-time PIXAR storyboard editor!