Not sure why but in firefox/chrome/ie the imgur feed shows the “image not found icon” instead of the images. This works fine in the newsblur app on ios.
I took a brief look at the html on the web and as far as I can see it looks fairly sensible. It’s been like it for a month or so now.
The URL is: http://feeds.feedburner.com/ImgurGallery?format=xml
