PSH - Photodex Slide Show is a project file in which you can use to come up with and design different slide shows that are of professional quality. They can all contain images, videos, and different types of audio as well. It is your choice how you would like your files to present themselves. You can also add different effects in which you can user to create, and even load slide shows. They are mainly used for business presentations. Others use them for personal photography slide shows and even video publishing. All of this can be done using the internet as well. If you choose, you can export your PSH files the way you wish. There are over forty different formats in which these files can be exported into. Flash, DVD, and even CD are just a few different formats in which you can export your files into. They can also be placed on different portable devices.