We were there three years ago, along with Zion and Capitol Reef. Thanks for reviving the memories with your beautiful footage.
What software are you using to edit? You've done a great job with it, especially for your first effort. My only critique would be that some of the pans are a little too quick and you've caught your finger in the frame a few times.
I just had the opportunity to edit some video for my brother-in-law, splicing together his first efforts from behind the camera. Let me just say that your technique blows his away!