You may not have thought of it, but you can use Jing Pro's Webcam Feature to take a single Image-snapshot as well.
I usually use this feature whenever I quickly want to show something that is not on my screen, such as:

• The keys I found in the hallway - anyone looking for them?
• The latest addition to my beer stein collection. Mike has to see this!
• My pristine A-Team action figures, as demonstrated in this video:

By using Jing's Webcam feature, I don't have to find my digital camera, take the picture and upload it.
It's a lot faster to take the snapshot with Jing. I can annotate it if i want, and then I can upload it to Screencast.com and share the link just as fast.
Sure, it's not exactly a 5 megapixel image like my digital camera can give me. But it works for most of my communication needs, and it saves so much time.

Can you think of other uses for this feature?