Hmmm after reviewing the actual link and trying it on my own board I would have to agree with him.
I don't see any reason to limit the length of the URL for an inline image display.
It's not like an old IE hack to overflow the url length.
Unless someone can present a valid argument as to why it is limited then I'd like to see if modified as well.
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DOH! Never mind.. I see what Geoff is saying now.
The URL has no ending extension.
Okay - I agree with Geoff now