Right now, the .pps, .ppsx, .ppt, .pptx files all open the same way.  I would have liked that .pps or .ppsx open up into a slide show right off rather than having the person figure out how to start a slide show.

 Here are the original PowerPoint editable files.

.ppt file

https://docs.google.com/open?id=0B3IkhqP6dKU-SE1ueklPV09INVU

.pptx

https://docs.google.com/open?id=0B3IkhqP6dKU-c2oyLWZrdk10aDg