Q:

Adding image links seems to randomly not work?

I asked Making the YUI TestLogger show only tests that fail? on Stack Overflow, and added an image from my Blogspot account. When I edit the question I can see the image, but in the final question the image is missing, replaced by its alt text only.
Can anyone else see the image? Is it some random Pebkac error, a bug in the markdown, or some other hot-linking problem?

A:

I suspect you might be using an image host that is testing the browser's referrer and refusing to render the image if the referrer is not from the same domain.
I moved the image to ImageShack and it's fine.
(the other thing to watch out for here is URLs with both - and _ in the filename. The Markdown server-side parser really doesn't like that. Didn't see it here though.)

