RealOne Player content can be optimized in Yahoo!7 Video by following these steps:

1. Open the RealOne Player.
2. On the menu bar, select "Tools" and then scroll down to "Preferences."
3. In the Preferences window, select the "Connection" item from the list.
4. Locate "Normal" under Bandwidth.
5. Choose your current Internet connection speed, e.g., 56.6kbps (modem), DSL/Cable 768kbps, or T1 (1.5 mbps)
6. Locate "Maximum" under Bandwidth.
7. Choose your current Internet connection speed.
8. Click "OK."
9. Close and reopen your web browser.