Render images served from localhost in gmail

render.js

// Run this in your Chrome WebDev Tools console
// Based on https://stackoverflow.com/questions/20836911/images-not-displayed-for-gmail#comment114947075_20837071
(function(){ while(img = document.evaluate('//img[contains(@src, \'googleusercontent.com\')][contains(@src, \'#\')]', document,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue){ var src = img.attributes.src.value; src = src.substr(src.indexOf('#')+1); img.attributes.src.value = src; } })();

// NOTE: I have NOT validated this gist as pasted above, though I have validated it manually (or some variant of it before)