Just wanted to give a heads up to an updated version of Thomas Volkmann script. Bartek Skorupa update his script. It so much easier and works with both AE CS3 & CS4. Bartek has a video up of how the script works.
This I mention it's a tutorial too. You can download an even updated version of his new script (without a tracker/null) here.
This I'm sure is gonna help everyone for sure.