max-mapper

var path = require('path')
var Pouch = require('pouchdb')
var async = require('async')
var request = require('request')
var queue = async.queue(queueWorker, 5) // 5 requests at a time

var imageURLs = [
  "http://substack.net/images/ben.png",
  "http://substack.net/images/bed.png"
]