[Design Team] #175: error on FOSDEM media sleeves

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#175: error on FOSDEM media sleeves
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Reporter:  notting       |       Owner:  nobody                        
    Type:  task          |      Status:  new                           
Priority:  critical      |   Component:  Media Production (Audio/Video)
Severity:  Quick & Easy  |    Keywords:                                
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 C.f. https://fedorahosted.org/fedora-infrastructure/ticket/2595

The URL 'download.fedora.devel.redhat.com' was used on the media sleeves
 at FOSDEM ; this URL isn't valid.

Don't know if this happened on a template that may get used elsewhere, so
 filing here.