Would I benefit from a chin implant? If so do you have any notes as to how to do mine? Placement/size, type of implant?

You have a moderate horizontal and width chin deficiency. The narrowness of the chin seems almost as significant as that of the horizontal projection.Depending upon your aesthetic desire a medium sized square style chin implant would help provide the width and transition back along the jawline.

 The photographs demonstrated a recessive chin, but it's also narrow from the frontal profile. A chin implant can accomplish augmenting the chin forward in addition to giving lateral width as well. Chin implants are manufactured in a large array of thicknesses, sizes, and shapes which is best determined at the time of the consultation and examination. In our practice for over 25 years, we have used Implantech brand of solid silicone  chin implants with an excellent success rate. Digital computer imaging also be helpful to understand what can be accomplished with the procedure. Chin implants can also be custom carved when necessary to match patient's unique anatomy well. For many before-and-after examples, please see the video below

You could benefit from chin augmentation.  Chin implant or sliding genioplasty can achieve a nice mental fold and a profile