If you start to loose it don't fight it to stay on or try saving it. Go with it, ride off, regain control and try it again. It usually hurts more when you try to save or stay on a feature when you should just cut your loss and get off and start again.
Don't be afraid to hike back up to the feature and keep practicing. Just be courteous to the uphill riders and don't drop in front of someone that is hitting a line of features and think you have the right of way. This bugs the hell out of me. A group of kids hiking a feature not letting me hit it from starting at the top of the run. I have been a dick and ridden right onto the feature like they aren't even there. Not sure this is proper etiquette but they moved on and seemed to get the picture that this is not their private feature.