Hello -- I had success with Wiimote Whiteboard and am looking forward to the increased functionality of Smoothboard.  It worked for me once, but now after calibration I get two cursors, one about 10% screen height NE of the first.  Both have control, both blink when clicked, and judging from a graphics program which draws an intense NW-SE zigzag instead of a line, the control alternates between the to points.  I've tried in several places, same issue.  Anyone know what might be going on?
Erick H

The application detected two IR points? You can see this from the bottom part of the main application window.
The first dot seen will be a red circle and another will be a blue circle

In case this happens again, check and see if you have two instances of the program running.  One that is trying to calibrate, the other that is just working.  I have had this happen and it causes problems similar to what you are describing.