Root [Boost Mobile] How do you modify the screen lock pattern?

[Ralphy2012]

I'm looking to see where I can change the
lock screen pattern manually. I want to modify the pattern pictures just like it was done in the Blue ROM. Can someone please tell me what file(s) need to be modified.

 

[shinru2004]

The images are inside of framework-res.apk I will post the image names after my son lays down. Once I have a second

 

[Ralphy2012]

Thanks. I think I found the files I was looking for in the drawable-hdpi and drawable-mdpi files. I was able to modify the circles just as I wanted to. I appreciate your response.