Data Management Help_Kangaroo Springs_Circle Packing Program Layout

I have been working on a "program diagram script" where I can create attractions between points using kangaroo and use circle volume's as spacial representations that dictate the cutoff of the power law rest length of the spring.  I have gotten the script to work exactly as I want it, but I now need to have the ability to manage different circle radii and I cannot figure out how to manage the output data so that the proper rest length and cut off value is matched up with the proper spring value.  I understand what needs to happen but I have not had enough training in grasshopper to know which components to use.  The script I attached at the bottom is working how I want it to, but all circles have the same radii. 

This system created by Angel Romo Sandoval is essentially what I would like to create.

https://www.youtube.com/watch?v=kzWs5Xe_-Ls&noredirect=1

Eventually I would like to take this into 3D, similar to the way Marc Syp has done in this video

http://vimeo.com/15563685

but for now I am only looking for the 2D application

Any help would be greatly appreciated.  Thanks for your time,

Sam

p.s.  I am also having issues getting my input tag labels to match my output tag labels, another data management error on my part.  I see a way to do this manually, but I think there is a better way to do it through the scrip, again, another inexperience issue on my part.