In 10.4.8 Apple added the zoom function for any mouse if you hold down control and scrolled with the scroll wheel.
Well, if you have the Cursor Visible enabled and you zoom in, the finish product shows a (now) miniature cursor on top the bigger zoomed cursor.
Also, if you zoom in, the movie guides also move out but you are not really recording a bigger screen area. So the movie capture works but the movie guides don't update with what is really being captured.
Both of these bugs affect both PPC and x86. Here is a movie created showing off the 1st bug: http://idisk.mac.com/kendallp/Public/files/snapz_bug.sitx
