aha, dont mind him. there are a few things to keep in mind when learning rails, they shoudl help alot, and try and make sure you are doing them all. Number one: JUMP off the jump onto the rail, dont try and slide onto the rial or anything. In the air turn a FULL 90 degrees and make sure you get the full 90 degrees landing with your feet shoulder width apart, dont keep them together! Number two is to be ontop of your skis, rails are slippery, dont let yourself slip back, stay downhill and ontop of your skis. Number 3: this is once you can get onto the rail without slipping off backwards and with a good 90 degree solid stance on it. Onc eyou can do this, you just have to look at the end of the rail to balance on it. I hope this helps, if you have any questions feel free to ask.
-Michael Lifshitz-