https://apps.fedoraproject.org/calendar/meeting/162/?from_date=2014-04-07 includes http://koji.fedoraproject.org/koji-static/images/header-bg.png
Looks like the image is available via https.
Replying to [comment:1 sparks]:
Unfornunately koji uses a custom CA and requires a client certificate to access the file as far as I know, therefor a local copy would be better here (or moving it to a different host that both fedocal and koji use).
This is a dupe of ticket #4284 I think?
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