It should be possible to provide through url parameters default values for some (all?) upload entries.
See 'Upload Wizard with prefilled ID-field' thread in wikilovesmonuments list (linked at URL), requesting specifically that the ID can be set through the url, for providing direct upload links from the lists.
Version: unspecified
Severity: normal
URL: http://lists.wikimedia.org/pipermail/wikilovesmonuments/2011-December/thread.html#2275