Installing new patches/packs after games is cracked?

hey. I'm sure this has been asked before but I couldn't find anything straight-forward enough for me so I just want to clarify.

I've installed the following packs for my sims 3;

Sims 3 base (store bought)
Ambitions (store bought)
late night (store bought)
generations (dl'd)
pets (dl'd)
+ all the stuff packs including diesel (all dl'd from G4TW)

& I followed the directions of the ultimate fix & everything works perfectly (thankyou by the way ~)
I also have showtime (store bought) which I haven't installed yet because it wasn't with me at the time but I would like to install it now.
my question is how to do this after the game has already been cracked?

I backed up the original bin folder for the base game. do I just put the original bin folder in the sim3base game, install the new pack & patches, then repaste the #crack files again?
or is there more to it?

I just want clear instructions because I really don't want to make a mistake and have to install everything again ^^;

thankyou!