My problem is that music I listen to on my Creative Zen Vision: M is not submitted to Last.fm. I know iPod users have some scrobbler-apps that take care of it, but us individualists

When you sync your iPod or non-iPod device with MM, is it possible for a script to recognize which songs have been played on the device (the playcount is updated anyway, so I don't see why not), and then cue them for submission to last.fm?
The thing is, I want my songs registered to last.fm, but I don't want them played in MM, messing up the playcount stats (and thereby ratings, I use the AutoRateAccurate script). My workaround right now is that I play them in Winamp, using Winamp purely as a "submission app" for what I've listened to on the Zen.
I read somewhere that there are scripts you can use to manipulate play counts, but I haven't really found out which they are. I guess I could use MM to submit the tracks, and then use a script to adjust the playcounts, but that is just as kludgy.
Just an idea if someone is up for the challenge! I know there would be many happy people out there if such a script existed.