No SWF the day after. The SWF and lax tea is just for the 10 day period.
As far as the probiotics go, start taking them the day you have your soup. I am not familiar with the probiotics that you mentioned. I'm sure they are fine. I use Udo's Super 8. I get it at my local Health Food Store (not GNC) that has a refrigerated section. Probiotics really should be kept refrigerated. I posted a very informative post on probiotics yesterday. Most, if not all of your questions are probably answered there.