This tutorial will show the methods used to create an interactive widget used for zooming in on high resolution images.
A tile generator such as "MapTiler" which is available for Windows and Map. Mac version requires download an install of GDAL 1.7 tools . GDAL stands for Geospatial Data Abstraction Library.
See the following page for more info http://help.maptiler.org/betatest/
If you are comfortable in linux environment I recommend using a Virtual machine app like Parallels to create linux environment using Ubuntu or Fedora . Once installed the software application GUI allows for the installation of the needed tools.
Once installed you can use the command line to slice up images into tiles.