My Commons helper tool [1] can now directly copy an image from a
wikipedia to the commons, using a perl script written by Eloquence.
Note that this is now the default behaviour for the "CO" button on
"missing images" as well.
You can also call the commonshelper with GET parameters (in the URL).
This might assist an organized effort to copy GFDL/PD/CC images to the
commons.
Magnus
[1]
http://tools.wikimedia.de/~magnus/commonshelper.php