Thought I'd share a few links:

Guernse6's Screenwriting Page - Story Structure (I found this to be the best resource so far.)

Diana's Diversions - In Which The Author Contemplates Structure

Kung Fu Monkey - Writing: Plot and Story

There are so many tensions involved in any creative activity so when there is a catastrophe you never indicate that you think the end of the world has come. You examine it and say, "Well, this is a fine new catastrophe. Now, what else is important today?"
--Goeran Gentele