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munkery

macrumors 68020
Dec 18, 2006
2,217
1
If the webcam you have does not come with a mac driver, try the external webcam app called macam. I have used it to interface an external webcam with webcam enabled apps before so it may work for you.
 

Jethryn Freyman

macrumors 68020
Aug 9, 2007
2,329
2
Australia
Garagesale should have a preferences somewhere to select between cameras. If not, install the macam drivers, disable the built in iSight (Google should be able to help, I can't remember exactly what to do), and see if that works.
 
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