Contents of this package:

- original.pdf - PDF file containing the original image;
- original.doc - Microsoft Word file containing the original image;
- original.jpg - original image in JPEG format.

These documents represent some of the possible document formats you can come across. 
Use the procedures explained in the article to practise extracting / opening images.

Original article may be found at: 
http://www.translatortools.net/articles/paint-net.html

Stanislav Okhvat, 2009