It's a mouthful to say, but SWFMacMouseWheel continues the trend of creating easy to implement and useful add-ons for Geoff Stearn's SWFObject.
This one makes it quite easy to add mouse wheel support in Flash for Mac OS X (and Windows). More details and code can be found here:
http://blog.pixelbreaker.com/2006/11/08/flash/swfmacmousewheel/
