Sorry to be the bearer of bad news, but you just can't hook up any randow tweeter with a random woofer (or multiples) with an off the shelf xover. Each xover needs to be designed for the drivers it's going to work with.
The other problem I see is the 4 woofs/ch. If you use them WWWWT in a tower, you're going to have to roll off the lower 3 earlier than the many xover to the tweet to aviod combing. Even WWTWW, I'd suggest doing the outer pair for the same reason.