STR: Load http://developer-stage.mozilla.org/En with either the Web Console or Firebug's Net panel open Actual: https://addons.mozilla.org/en-US/firefox/img/amo2009/illustrations/logo-add-ons-half.png -- returns a 500 Internal Server Error http://developer-stage.mozilla.org/skins/common/img/toc-bg.png -- straight-up 404
We could point, instead to https://addons.mozilla.org/media/img/amo2009/illustrations/footer-logo.png.
That image is for the old MDC/MDN home page... since we no longer serve that page directly, this is probably not a big deal. We can simply update the Deki pages with the new image URL.
Just gonna mark this wontfix, since we don't expect anyone to see that old wiki page anymore.