reinstalled snow leopard and can't open, won't accept my password

Reboot into your Leopard bootable backup/clone or restore your Time Machine backup and try again.

Try booting from the instal disc, you can change the password form one of the menus I think it might be under utilities.

Did you ever resolve your issue, and if so, how?

Rather than reopening a nine-month old thread, it's better for you is to start your own discussion, providing the salient details of your issue.