By-the-way, the newest plugin: Avi-to-AnimatedBrush, seems to work with PD 2 as well.
www.dogwaffle.info/pdpro/tutorials/avi2animbrush

Of course this is great for compositing Poser walk sequences and such, integrating looping animations into a more complex video clip. You can easily render a dinosaur like Trex running along against Bluescreen and then another ncharacter and thyen composite the two together. Even have multiple T-Rexes in the final output.