Because mountains are never flat, trying to go down a run "flat bottomed" is pretty hard. The more experience you have riding, the easier this is, but for just starting out, what you want to do is
be slightly on one edge and transfer to the other. What I'm talking about isn't so much turning,
but just staying enough on your edges to have control.
A good way to learn how to make a direct line, is to start out with wider sweeps and
work your way inward.
Try using something like...a 10 foot width going down the mountain to start off. go on
your toe side 10 feet in that direction, then on your heelside 10 feet to the other direction.
You'll be going pretty straight down the mountain, with just enough turns to make sure you
always have an edge in control.
As you get used to this transfer and the speed of going straight down a run, you can start
keeping your body straight but letting the board go edge to edge and staying straight.
The better you learn these transitions, the more natural it'll feel just riding. You'll start
doing these with the feel of your feet and knees and not think about them so much with
your head and you'll be set.
Welcome to the forums by the way. We're all here to help, and hopefully someone else
will chime in with some more tips for you. This is all I could think of for now.
