You would use the object or track effects rack or the effects templates.  You're going to have to play around with them to understand how they function, if you don't already.  I would highly recommend reading the manual.  It does have a lot of good information in it (but not entirely enough).

This video will quickly show you where to find the effects...

Well, that didn't work the way it should, so you'll just have to let it run.  The part I wanted to point you to is at 7min 40sec.