http://www.mediafire.com/?vqzyn1yanqw
have a read of this file I made ages ago it may help you understand them.
Go for it, otherwise it might get lost altogether now the site has been updated, had to search through my posts to find it.Can i add this tutorial to Simtrackipedia?
......might get lost altogether now the site has been updated, had to search through my posts to find it.