I used the E-Savage Baja TT Body on my Rusty. Fit perfectly with the extended arms and masher tires but I had to do some mods to the body mounts to make it work. I actually used front body mount posts for both the front and back to make it fit.
This is it at tower (no picture though)
http://www2.towerhobbies.com/cgi-bin...?&I=LXPNC0&P=7 , There is a picture here, second one down on this page.
http://www.hpiracing.com/bodies/newbody.php
Heres a couple pics of it with the body on.