If you get constant buffering, do the following:

• Go to cytube's home page.
• Click any random channel.
• Click "options" in the header.
• Change the tab to "playback"
• Change the "Synch threshold (seconds)" option to something higher, like 10 seconds. (IMPORTANT: DON'T SET THIS TOO HIGH OR TOO LOW.)
• Click save.
• Refresh the movie stream page.