article: Make It Easy for an Editor to Publish Your Story by Michael L. Wilson

A good short article about writing flash:

"The difference between stories that are published and those that are rejected often come down to one misspelled word, one awkward line, or not following one of the explicit instructions in the publication's writer's guidelines.

These mistakes are deal breakers. Let's face it. The competition is fierce for publication. Out of more than 1400 submissions flashquake receives every year, only 120 are published. Sometimes writing is less about writing something brilliant, than it is about writing something good, following the rules, and not making mistakes.

So here are some pointers for increasing the odds of publication by decreasing the odds of rejection"

Click the link above for the full article.