I'm using the Maximizer 17mm adapters same as Mike sells.
They are simple and light, with no slop.
As for the Badlands, I used the MT size and stretched them onto 1/2" offset LPR rims;
This makes the sidewall a bit more rigid. I did tape the insides of them before mounting to prevent ballooning tho. They are my best all-around bashing tire.
I am using the HPI Phaltlinges for street running;
I have the Crimefighters for the track (sorry no pic).
As for the badlands;
these tires;
http://www3.towerhobbies.com/cgi-bin...&I=LXNKS3&P=ML
I used these rims;
http://www3.towerhobbies.com/cgi-bin...?&I=LXTJB4&P=7
I was "supposto" use these;
http://www3.towerhobbies.com/cgi-bin...?&I=LXSBS0&P=7