Tips for finding out causes of crashes.
This page describes how to properly report bugs etc. as well as self help tips.
So how about saving your time as well as ours and providing the answers before we get a chance to ask them? You might also find the cause by yourself.
If you wish to be extra helpful (and are on Linux), you can provide a stack trace of the crash.
gdb, the GNU Debuggerstuntrally-dbg or similar, i.e. Stunt Rally with debugging symbols. You can also compile the game yourself with the debugging info.$ gdb stuntrallyrunbt (stands for backtrace)