Create an array of image URLs and then pick a random item from the array to send
// Example using numbers
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9]
// module.exports etc
const randomNumber = numbers[Math.floor(Math.random() * numbers.length)]
// send the random number/url
// I'm using console.log() to avoid an error
console.log(randomNumber)
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