Pinned ball
Pinned balls in the bunker is quite usual on new courses where the sand hasn't had time to sink in and on courses with alot of sand in the bunkers.
When the ball is pinned deep in the sand the trick is knowing how to handle it.
Instead of opening the face of the club you close it so much that you can barely see the club anymore and the toe is pointing diagonally downward towards the sand. The ball should be positioned somewhat further back in the stance with a steeper downswing, straight down into the sand behind the ball.


What will happen is the following:
When the club hits the sand straight down with the toe first there's a stop and because of the force of the club the hands and the club will twist automatically.

The club works like a excavator where the ball, with a really struck shot, pops out. Try exadurating when closing the club with the toe pointing downwards even at the top of the backswing (see image). Then feeling the ball "pop up" is a fantastic feeling.


Summary:

When hitting a bunkershot it's important keeping the balace throughout the shot. Extra important: Dig your feet down into the sand. It helps keep the balance. Open the club and swing through.


Practice different distances on the course
When practicing you should always practice different distances, not just hit a bunch of balls towards the same target.
Practice alot of bunkershots and try reaching different parts of the green. Make it simple with POSITIVE THINKING!
When you see one of the better golfers hit a bunkershots it seems like they've never done anything else in their life.

That they will later tell you that bunkershots are the easiest shots in the game, makes it even more perculiar, since bunkers are something most amatures doesn't want to end up in.

I due time, when your practice bunkershots you will notice that good results are achievable, just as long as you understand the technique!
That you don't neccessary have to hit the ball and that bunkershots really don't take as much precision and regular shots, making it a relatively easy shot.

Everybody can get close to the hole. Now we can even start counting how many bunkershots we make during our future golfingcareer.

See, we're starting to think positive.