On a PC:
On a Mac:
Once you have the screen shot you want, you can then insert the image anywhere you want, for the purpose of this class, we use screenshots to document our progress in the class, and show proof that we have completed the assignments required. Before inserting the image to our websites, it's suggested that we upload the images to a picasa web album and from there copy the image URL to which then we can insert in our website.
Down below are some additional useful links and tutorials that can further explain this process.
Source for PC: http://www.betterphoto.com/article.asp?id=147
Source of MAC: http://guides.macrumors.com/Taking_Screenshots_in_Mac_OS_X
Useful tutorial for a PC: http://www.youtube.com/watch?v=gGG-58qnsnk
Useful tutorial for a MAC: http://www.youtube.com/watch?v=h3RkDPfphSQ