I've looked through the settings several times, no luck. Every time I go to watch a YouTube video it defaults to Normal Quality, I want it to default to High Quality. Can this be done?
Try pressing the "HQ" button in the lower right hand corner of the video. You can also tap the menu button, hit more, and select "Watch in high quality."
I have provided a link for additional information. Click here http://www.droidforums.net/forum/samsung-fascinate-faq/86152-how-change-video-quality-youtube.html