To control who is watching your webcam:

1. Click the "Messenger" menu in Yahoo! Messenger and select "Preferences."
2. Click the "Webcam" category.
3. Select one of the options:
• Always ask my permission.
• Allow everyone to view my webcam.
• Always allow the following people to view my webcam. (Add specific friends.)
4. Click the "OK" button at the bottom of the window.

Note: You can allow everyone within a chat room to view your webcam by enabling the "If I am in a chat room, allow people in the chat room to view my webcam" option.