You can take a screenshot of the content displayed on your computer and send it to your contacts. The following are detailed steps:
1. Click "Screencapture" button on the conversation window.
2. Select desired area.
3. Double click the area or click "Finish and exit" on the tool bar.

In this way, the screenshot will be paste to the conversation window:

When you are taking screenshot, you can also edit the picture and add notes using tools displayed bellow the chosen area.