Click Options menu and learn how to set capture categories on the left.

 
This option is used when you click the Capture button in Ocam's main window or when you press the hotkey (default capture hotkey F3).

Include mouse cursor

-Check to include the mouse cursor of the captured image. By default, the check is off.

Image file format at capture

-Select the image file format to save when capturing. By default, png is set. Png is the best image quality.