This little article popped up on Arts & Letters Daily. I check that site every day even though it's not nearly as good as it once was. They, The Guardian, are looking for 150 word flash, but only for Wednesday's edition. The article writer had a book of 58 published. It's a nice little piece, but more like a How I Did It, than a How To Do It.
It not overlong, which mades me think there should be a course on How to Write Flash Articles, though, as so many articles that I start to read go on and on and on.