The challenge is multi fold.
The forum is 6+ years old and we've gone through a variety of image hosting options.
There are currently:
- several different ways to share images
- several different platforms where forum content is presented (desktop browsers, mobile browsers, mobile app, desktop app, rss) - all of which interpret our variety of image hosting options differently
Now add into the mix:
- images that go away after they've been embedded (craigslist, photobucket, news sites, etc)
- images that do not allow embedding (these often still work for the OP because he has visited the hosting website. it's the rest of us that get hosed on this one)
- incorrectly embedded images (it doesn't require a rocket surgeon, but to the non-tech crowd posting an image is daunting)
TL;DR - Images are a bitch, like all things WKC - it's a hobby and a constant work in progress.