I just posted on this video via the Social Network part of this site, but I will copy what I said here: 🙂 Your intonation is very good for the most part! On the few arpeggios where you have more difficult keeping good intonation, I would recommend practicing them as double stops. The other suggestion I have is to keep your bow shoulder down and relaxed. You are working a bit too hard with your shoulder. Just lift and lower your arm, not your shoulder. That should help it feel a little more relaxed. You’re doing very well! Keep it up!
Let me know if you have any questions about my suggestions!