Revenue: Removed adsense long time ago from this. Never really tried advertising on it.
Script: Based on Wordpress and slightly Customized Theme.
Like when you visit a single Fail Image, you will see links towards next and previous image.
All images have been tagged with a failblog.info URL on them.
As easy to update as uploading a pic.
Hosting: Shared Hosting. No problem at all.
Rankings: In top 10 - 40 in Google SERPS depending on your location. 762 pages have been indexed by Google.
Traffic: Stats are attached in a zip file
People some times mail me some pictures to post on site, but i cannot to find time to do it. So if you start responding to people who are sending snaps. it will result in more popularity.