nginx watermark on attachments? August 20, 2018, 10:06:02 pm I'm hoping for a "simple" way to watermark Elk attachment images. Hardly being a coder, php is not in the cards. One intriguing possibility is using nginx. There is an nginx module capable of watermarking jpg/png/gif images. https://github.com/intaro/nginx-image-filter-watermarkI've compiled the module in nginx. It works perfectly on jpg images served from a configured directory. Cool!! But would there be any way to use it for watermarking elk attachments?