[[!comment format=mdwn
 username="https://www.google.com/accounts/o8/id?id=AItOawmBUR4O9mofxVbpb8JV9mEbVfIYv670uJo"
 nickname="Justin"
 subject="comment 1"
 date="2012-09-25T23:55:44Z"
 content="""
You know about `git annex addurl` right?  It doesn't help with the browser integration (though I bet there are existing download manager extensions you could re-use for this) but it takes care of the other use cases.
"""]]