RE: Tips for better shooting?
Aim small, miss small. Instead of aiming at the dot, aim at a hole another arrow left inside the dot.
One of the most often ignored things you can do to make holding on your aim point a lot steadier is to adjust your bow's tiller to match the way you grip the bow. Bottoming out the limb bolts does not guarantee a perfect tiller for your shooting style.
Especially shooting fingers, visualize pushing that sight pin right through the spot you're aiming at. If you push with the bow hand, the string hand can't flub the release. (By the way, this does not negate what Bob H said about letting the pin wander around in the dot. It WILL float, and you have to let it do so. Trust me, when it 'feels right' then release. The pin will usually be in the right place when you release.)
On follow through, keep that bow arm dead steady and keep pushing that pin into the dot and aiming until you hear the arrow hit the target. The bow will recoil and the sight will move away from the dot after the release but your body/arm position and mental focus should not move a fraction until the arrow is buried in the target.