trigger advice needed! (protools soundreplacer)

[Madness]

I also posted this at the drum forum, but I need some info very bad, so if anyone has some advice....

Me & my band are entering the studio tomorrow, and we were to use an Alesis D4 to trigger the drums. The Alesis we would use belongs to someone we know, but the guy we know has some personal trouble at the moment and well, to get to the point, we won't be able to use the Alesis.
However, the studio is equipped with protools (24 mix), and also has (a demo version of) a plugin called 'sound replacer'. I have never worked with this, and neither has the engineer we'll be working with, so if anyone could shed some light on this plugin......I'd be really greatfull! From what I get you can use it to trigger the drums (afterwards). The demo version you can only use for 8 or so days, which wil (hopefully) do.
But,

1. Does this (demo!) plugin have samples of its own, or do I need to import them. If so, how do I do this. I know there are samples on the DDrum site. But in which format do I put them on CD and import them into protools?

2. The samples need to be in tune with the acoustic drum sound right? (I won't be using just the triggered sound). How do I make sure this happens, if I select a sample in advance, and we tune the drums to that sample, it could also sound like shit in the mix right? While if we select a sample during the mixing, it could well be that that one sounds great but is out of tune with the acoustic sound.

I'd really like to hear from people ho have got any experience with drumm triggers & recording and/or the protools soundreplacer-plugin

Thanx!

P.S. please don't start on me with 'you shouldn't use triggers etc.', 'cause at the speed our drummer plays it is a great tool to get his high speed blasts and fills on tape with alot of clarity.