on the image(s) below:
if you feel inclined you can also replace the log overlay image (this is the one that gets recolored dynamically); just put "log" somewhere in the filename and it will switch out accordingly. if you want to change the position of the butthole, you will have to draw your own log that connects
for custom log overlays, be sure that the colored part is filled in with white and that it connects to the bottom of the original log
character template:
log overlay template: