The "Take Picture" button in the latest release of Alice 2.3 has been removed.
By way of explanation, this was not an arbitrary decision. The problem is that the built-in "Take a Picture" in Alice 2 was created using Direct X for the PC. Therefore, it doesn't work for Mac users and recent updates of Direct X cause problems on newer systems (Vista, Windows 7, and now Windows 8).
Therefore, we have had a increasing number of complaints and that has led to disabling the feature and asking people to simply use whatever screen capture they have on their computer. See the following links:
For Windows
http://windows.microsoft.com/en-US/w...e-print-screen
For OS X
http://graphicssoft.about.com/od/scr...screenshot.htm