Finding, creating and displaying images online is an important aspect of creating any kind of web presence. The ability to make the right choices and provide the best possible images for your specific educational aims is highly dependent on understanding and mastering number of concepts around digital images and their use online.


The art and science of taking, developing and publishing pictures stayed pretty much the same for over a century, only to be completely reinvented in last decade or so. A couple of parallel processes that took place are responsible for fundamental changes in how we think about creating or using photography and pictures in general. These processes are:

Design Questions/Issues

There is a wide range of topics that need to be addressed when considering using digital images in online education:

Managing your image repository

Sourcing images online

Taking pictures yourself




In this activity you will edit two copies of the same image, following Picasa’s online tutorials. Picasa is an open source, cross-platform digital image software suite. It allows users to easily edit, manage, and transfer image files.You will need two copies of the same image to work with. Do not use your original photo, since you may not be able to undo your work.

To make copies of your image

  1. Upload a digital image to your computer from your digital camera, one with one or more persons. If you already have a collection of digital photos on your computer, use any one of those.
  2. Place a copy of the file to your Desktop
  3. Rename this image practice_crop
  4. Place a third copy of your original photo on your Desktop
  5. Rename this image practice_resize

Watch the How to Crop an image Using Google Picasa video tutorial, using your practice_crop file. Crop the image in a way that emphasizes one part: a person, object, or portion of scenery.

Watch the How to export and resize a photo using Picasa video tutorial, using your practice_resize file. Resize the image so it is 500 pixels wide.

There are all sorts of tutorials for Picasa on the web, including these. Have fun exploring!


Write an entry for your course weblog about your experience here (on your "Home" page and posting a new entry). How labour intensive was the process? What worked well? What was challenging? What surprised you?


Managing images repository on your computer

Both Mac OS and Windows include decent management tools to name, describe and tag photos. These applications are bundled on most new machines:

Online image respositories offering free hosting

Finding images online

Additional Resources

JIISC Digital Medai is a UK government agency whose mandate is to provide support to post-secondary and higher education educational professionals around issues of digital media usage. There are a number of excellent tutorials, best practice guides, and case studies.

Choosing a digital camera

Taking photos