RE: proper anchor point
Stand up straight,use a mirror for help with this because will feel like you are leaning forward at first.
I really don't like to tell somone to rotate their elbow out because that really isn't correct,you should rotate the wrist and forearm without rotating the elbow.If the elbow points out,that creates angles and tension that is hard to repeat.AND,your grip could still be wrong.
Your short bow just makes it harder to get solid anchors with.You are doing a pretty good job with the anchors though,just has you bending into the string.Which I am not a fan of.