Bobasaur,

Yes, I am using Pro Pack, was never able to get the Poser2LW plug-in to work. Eventually, I bought the Greenbriar plug-ins.
While they have worked well getting objects into LW with their materials intact, there has been a fair amount of tweaking to do on weight maps and adjusting some joint setups, limits etc.

I want to be clear that this is not a meticulous appraisal of the Greenbriar products. My time budget for Liquid Stealth is small so when the characters needed more work I just stuck to rendering them in Poser. I hope someday to take the time to work out the kinks so that any Poser character will be workable in LW.

So, here's my work flow.

First I should mention this all started as an improvisation. In LW , I wandered around Dystopia scouting cool locations. Then, Liquid Halo came out as did the Drone Trooper and I thought wouldn't it be cool if...

So, from that beginning began to emerge this story. I roughed out an outline of the plot. As I fine tune the narration, I break it down into individual captions for each panel.

I sketch out what I'm expecting in photoshop or if I have a LW render of the location I'll stick that in and draw on top of that.
Then I adjust text or images until I think it's working.

I render the bkg in LW first. Pose the characters in Poser and render them in Poser. So, my camara match move happens in there.

re: surfaces
The Greenbriar plugs do a good job of transporting those things over. One thing that is a bit of a pain is that I find "Reflection" set to 100% on many materials so that has to be adjusted.
Otherwise, all maps are set to "normal". I'm suprised your setting maps to "add" unless your material is set to black.

Thanks for your interest. I'm interested in your response, or hearing how your pipeline is working. Like, how did you get the Poser2LW plug to work, or does it?