[Tannz0rz]

Simple FS that deals damage to the player if he/she crashes while traveling at rather high speeds.
Video:
SAMP - Vehicle crashing script

Source:
http://pastebin.com/f1b51a77

Here's a newer version, deals damage depending on how fast the player is going ('tis untested):
http://pastebin.com/f68f6ff62

Pastebin kinda jacked up the indentation, but it doesn't really matter.
Enjoy.