Can T Open Photo Booth

Heys, I have a MacBook OS X with Tiger software on it. When I first got it I had absolutely no problem with Photo Booth and it worked perfectly, then when I installed Leopard onto my laptop, we realised that it wasn't compatible with the pen pressure system on my wacom tablet. ...

I recently updated my macbook to leopard, but ever since my photo booth program has not worked. I can open program but the pictures I take don't show up and when I go to the effects the corners are like what it sees and it's very weird. ...