adding car classes, maps and career on Ubuntu

Hey folks,
I installed Speed Dreams several weeks ago and had some fun with it. Only problem: it got boring because I only can drive supercars. How can i get the others?
thx i advance
JNZ
I installed Speed Dreams several weeks ago and had some fun with it. Only problem: it got boring because I only can drive supercars. How can i get the others?
thx i advance
