I've successfully created a 5-part mouth for my character, and synced up auto dialogue for the animation. Cool. I run into a problem of moving the synced up dialogue along the timeline.
So, after I've successfully paired the two, like this:

Click for full size - Uploaded with plasq's Skitch
Now, when this happens, of course a bunch of little keyframes are generated because of this new group of movement:

Click for full size - Uploaded with plasq's Skitch
Whenever I want to slide that dialogue forward or backward, I've been highlighting all the keyframes, and manually sliding them left or right. This only moves the animation, not the sound. How do I move the sound effect and the appropriate animation perfectly in sync everytime?
Thank you...