You could have downloaded ShowMacster 1.9 for Mac from our software library for free. The application is categorized as Communication Tools.
From the developer:
ShowMacster is an extension to Apple's iChat which enables you to stream pictures, QuickTime movies and live screen captures during a video conference.
By adding a drawer to the video chat window, it is seamlessly integrated into iChat. You can even import a collection of your favorite pictures, icons or movies to show them instantly.
You may want to check out more Mac applications, such as TRx Recorder or Skype2Prowl, which might be related to ShowMacster.