Using the Pocket DVD Wizard is easy.
When you first start the software you will see a screen like this:

Put a DVD into your PC's DVD drive, and wait until Windows asks you what you want to do with the DVD. Its a good idea to try playing the DVD in your default system DVD player at this stage to make sure your system is configured correctly to play back DVD content.
When the DVD has loaded, click the 'Select a DVD (browse)' button to continue.
The software will ask you to select a track from the DVD to convert. Usually the track you are interested in is the one with the longest playback time and will be pre-selected by the software for you.
You should then be given the following screen:

Playback of your DVD should start in the black area of the screenshot shown above.
While the titles are playing, choose an output file size for your movie.
The first option (128mb better audio) will create the smallest output file, so its a good place to start, the higher the setting you choose, the longer it will take to convert the DVD content, and the larger the output file size will be.
You can also select the quality setting. This is the quality of the initial conversion from the DVD. A full length DVD track will require approximately 1Gb of hard disc space during conversion on the standard setting, and 2Gb on the high setting. Selecting high quality will usually double the conversion time, and is not required for most conversions.
You can ignore the 'Click here for additional options' and 'Show video while encoding' options at this point as they are not needed for a simple conversion.
Wait until your DVD has started playing the content, then click the 'Continue to next step' button.

The Pocket DVD Wizard will now start the encoding process.
Simply sit back an wait, the process will go through a number of stages, and will finally give you the name of the output file.
Copy this file to your Pocket PC to play the DVD contents on your Pocket PC!