Macam is a freeware app and driver that supports many USB webcams on Mac OS X 10.4! Here is how to use a webcam with Skype 2.0 Beta for Mac and Macam.

1. Download Skype 2.0 with video support
2. Download current version of Macam
3. Copy the macam.component into the root level of your hard drive in the /Library/QuickTime/ directory (delete any previous Macam versions in this directory).
4. Optional: Install the Macam application. This is not required, but you must copy the "macam.component" into the /Library/QuickTime/ directory (step 3).
5. Plug in your Macam supported USB webcam directly to a Mac USB port (do not use a USB hub)
6. Restart computer(may be required)
7. In Skype, go to Preferences --> Video --> Camera. You should see a USB camera available in drop down. Select it. You should now be able to preview your webcam in this preference panel.
8. You are now set to use your webcam for Skype video. 
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