When you are using Drupal and want to communicate to a module developer about a bug then you absolutly need to have a screen capture tool. I used to use Snagit before it got all bloated and started phoning home for updates. Now I use Greenshot .
What is Greenshot?
Greenshot is a light-weight screenshot software tool for Windows with the following key features:
Create complete or partial screenshots quickly. Easily annotate, highlight or obfuscate parts of the screenshot. Send the screenshot to a file, the clipboard, a printer or as e-mail attachment.
Being easy to understand and configurable, Greenshot is an efficient tool for project managers, software developers, technical writers, testers and anyone else creating screenshots.
Greenshot is free and open source
Greenshot was published under GPL, i.e. this software can be downloaded and used free of charge, even in a commercial environment.
Greenshot is now availble in Swedish!