It seems that Flash 8 currently does not work with the Safari Browser from Apple on Macs. You can download Firefox, Flash works fine with it. I'm sure they will straighten out the problem.
Flash 8 & Mac Safari Browser
Submitted by Eric Larson on Wed, 03/22/2006 - 10:51am.
Flash 8 & Mac Safari
It surely seems like it, ;-(. However, it did work for a few days.. and then stopped. Weird.
..so longer-stronger..
Olga
Looks like Adobe has
Looks like Adobe has released a preview version of Flash 8 for Intel Macs. follow this link http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=2dda3d81