XML Slideshow with Thumbs problem

I’m using Kirupa’s XML Slideshow with Thumbs.

I’ve increased the document size for my needs but I can’t move the thumbs from their current position. I can move them slightly to the right and/or to the top of the scene. But when I try to move it anywhere past the center of the scene, after a certain point the images start to get cut off even if I’m moving the “hit_left”, “hit_right”, and the “thumbnail_mc” together.

Can anyone think of why this is happening?

Either that or explain to me how to create a grid instead of a scroller…

Thanks in advance.
Dave