For a large high traffic newswebsite we want to start spoofing the direct links to all the photos.
There for we want to create dynamic urls, like Twitter does on there images: https://pbs.twimg.com/media/Bv_wkiyCUAA0E6f.jpg:large
The same counts for the sizes on the end of the url. How is this done without impacting the webservers extremly? Our platform works on php/mysql.