gistfile1.js

var Promise = require('bluebird')
var a = Promise.reject(new Error('load failed')).delay(100)
var b = Promise.resolve(123).delay(50)

var queue = [a,b]
function processQueue() {
  var next = queue.shift()
  if (next) {
    return next.catch(processQueue)
  } else {
    return Promise.reject(new Error('no images left in queue'))
  }
}

processQueue().then(function(img){
  console.log('Got image', img)
}).catch(function(e){
  console.log('No images successfully loaded')
})
// catch any remaining failures silently
Promise.settle(queue).catch()