The first thing you need to do is update your Wacom Bamboo tablet drivers. You can go to Wacom.com and download the latest drivers for MacOSX. There is a known bug with the earlier drivers under MacOSX Leopard (10.5)
Next you should update your copy of ArtRage to the latest version. You can download the ArtRage installer from our support web page here:
If you have any problems with that, drop an email to email@example.com
AndyRage's mantra for graphics engine code:
"Sure - how hard can it be?"