Fat Commoner Model Textures and Clothes

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Most people don't know this, but there is in fact a model stored in the game for "fat commoners" for both male and female. However, both currently only have one or two textures working and everything else has the issues displayed below where the texture appears warped or stretched on the shoulders. I had read on a thread somewhere that it involved the UV smoothing for the textures but I am not sure. Would someone be able to or interested in doing this for the five variants of commoner clothing in the game? If so, please let me know