Thanks for the reply. I play standing with a strap, I'm holding it in a position that is most comfortable for me (after some experimentation) and doesn't look wrong when comparing to the standing positions of other guitarists I have seen. So I'm not really sure what I would change.

Still not sure if my hand position is correct or not. I have heard people saying that you are supposed to have a bit of a gap in between the part of the hand I marked in the image and the bottom of the neck. I have also found with a lot of the chord shapes, I can make them alot easier by having my thumb over the top of the neck. And yet again I have heard people saying that in the beginning its not a great idea for some reason.

Do I just keep doing it how I'm doing it aslong as the notes are ringing clear or am I setting myself up for bad habits in the future?

Thanks.