Start with this simple combo. Use any noun + any verb + any artistic style. And voilà! You'll have a unicorn riding a bike in graffiti mural style, in no time!
The more details, the better! Instead of saying “heavy traffic on a bridge," say something like, “heavy traffic on the Golden Gate Bridge at sunset"
The more details, the better! Instead of saying “heavy traffic on a bridge," say something like, “heavy traffic on the Golden Gate Bridge at sunset"