labchemicals
Yes the Wiimote Whiteboard application is only teh interface between your IR-Pen and your computer. You need additional software for the Whiteboard functionality.
I personally use Onenote (MS Office product) or you can try:
www.kindlelab.com - opensource IWB software
or
http://www.dklevine.com/general/software/tc1000/jarnal.htm Jarnal an opensource Notetaking software similar to Onenote.
Benpaddlejones :-)
p.s. Hope your using Boonjin's app
http://www.boonjin.com/wp kicks JCL demo and has so many cool features, about to release a new version with minor bug fixes and better GUI.