Suppose you have a file photos.csv like this:

1. “Christina1.jpg”,“http://ultraimg.com/images/Christina-Hendricks-Images2.jpg”
2. “Christina2.jpg”,“http://www.bolsamania.com/seriesadictos/wp-content/uploads/2015/07/Christina-Hendricks.jpg”
3. “Christina3.jpg”,“https://s-media-cache-ak0.pinimg.com/736x/10/8f/b3/108fb3f483d2b0ee5cd50db4ffc751ab.jpg”
4. “Christina4.jpg”,“http://www.speakerscorner.me/wp-content/uploads/2016/04/christina5.jpg”
5. “Christina5.jpg”,“http://i.dailymail.co.uk/i/pix/2013/04/05/article-2304737-191E7594000005DC-598_634x782.jpg”

You can download the images with this code (I tried succesfully):

1. import csv
2. import requests
3.  
4. with open(‘fotos.csv’) as csvfile:
5. csvrows = csv.reader(csvfile, delimiter=‘,’, ...

Usually this task is accomplished in two phases:

• design the flyer with a space in which the code shoud be and print all 5000 flyers (typographic offsett printer or with a large volume digital laser printer)
• overprint the numbers in the exact location you need them with a dedicated system

Alternatively you can look for a print service which uses the latest digital laser printers with a software that can do this for you, you could set up a spcial format text in ...