The trick is persistence.
Take a good picture, write a nice article that goes with it.
They are always looking for a story.
Submit it to all the magazines you read and don't forget to suck up by telling them how you read their magazine cover to cover !!!
I've written many 'letters to the editor' emails and have seen a few in print.
I've gotten several back thanking me for my comments.
did I say persistence is the key