I very much regret the problems that occur when playing the tutorials on Mac computers, it is however possible to view the tutorials by following the instructions below.

•  Put the Painter X for Photographers DVD in the computer DVD drive.

•  Select the Painter X DVD icon when it appears on the desktop.

•  In Finder click File> Open.

•  Scroll down the dialog box and open the folder called DATA.

•  Double click on this folder to reveal more folders.

•  Double click on the folder named 'swfs' to show the list of tutorials.

•  Double click on the tutorial required and this should open in your web browser.

The files will also open in your web browser by going to File >Open, select the Painter DVD icon and follow steps shown above from Step 4.

This should allow you to view the tutorials.

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An alternative solution suggested by a Mac user is as follows:

I opened my browser, in this case, Safari (using a G5), 
than I had the file opened as your guide suggested, into 'swfs'.
I clicked on, for example, 'Bristle Brush Cloner.sfw', and dragged it 
into the browser.

It opens with some lag time and plays very well.

I had to just click backwards on the browser after the lesson 
finished, so that I could move onto the next lesson choice.

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Don Dekker has posted an alternative way of viewing these files on the Digital Painting Forum and with his permission I have included a pdf of his instructions here. This involves downloading some (free) software and is at your own risk.

MADVD.pdf