Things to consider:
You - Readers will learn who you are by the story you tell.
--What is the point of the story? (is it funny, inspiring, courageous, torment, etc.)
--What do you want the reader to understand about the story?
--Don't be shy. Describe your emotions, feelings, perception, and let the reader understand your point of view.

People - Readers may not know the people. Give enough information so that the reader understands why they are important
--Are they related
--what makes them important about this story
--what makes them interesting (how did they look, smell, act, talk, think, etc)

The Situation - Readers need to understand the background and surroundings to feel like they are in the story
--Where and when is the story? How old were you?
--What does the place look like? What is a description that people can relate to?

Actions - Words paint the pictures in the readers mind. Describe enough to make them visualize
--what descriptions can you add to the events and actions in your story?

Ending - Set the reader up so that they finish the story in a mood and understanding that you want them to have