It isn't actually my merit, I learned how to do it from @steelgoose (along with most of the rest of what I know about parts creation 
). It is a little more complex than just the moduleid, parts of the family tags also have to be correct and I expect (but didn't test) that if the color bands aren't in the breadboard svg that it will also break as the code can't change the color bands. I didn't put it in parts submit (or better yet, in a pull request on github which is about the only way I have seen new parts make it in to core lately) because I'm not sure there isn't a better way to do somehow. People searching for it will find it here.
Peter