Problems with multiply in Flash

Happy new year everyone!

With the recent flash video update (9,0,115,0), I suddenly see the white background from jpgs that I used multiply in flash CS3 to get rid of.

This problem can only be seen in Safari though, looks well in Firefox and IE or any other browser with earlier versions of Adobe Flash Player.

Has anyone experienced the same problem or know the reason behind the problem?

Im running short on ideas here, so please help me out.

All the best and thanks