Need help with VPN

I am trying to setup a simple VPN connection. I can't access it from outside my wireless network. I have a Linksys WRT54G router. I have enabled the VPN passthroughs, but it won't work outside the network. I have a Dell Inspiron 1545 with Windows 7 Home Premium.

EDIT: I got connection working from outside, but no network shares. Any ideas?
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