The picture would most likely have eccentric or bright colours that will catch the eyes of many. but most importantly, it would have to show produce from the farmer's market, or something that you'll likely see at the farmer's market.
i hope this helps.
Imagine you're watching a scary movie: Wisconsin Weed-Whacker Massacre. There's a deranged lunatic in the house, and he's carrying a turbo-charged weed-whacker! While the main character, a cute teenage girl, was pouring a glass of milk in the kitchen, the audience sees the madman tiptoe up the stairs and slip into the hall closet. Minutes later our sweet teen star bops up to the second floor with her ear buds in, singing to herself. She reaches toward the closet door, but at the last minute decides what she wants is down the hall. When she turns away, the door creaks open, the prowler steps into the hallway behind her and revs up his trimmer.
Introduction: hook, call to action.
Body paragraph: claim, evidence
Conclusion: summary, rebuttal