[djnoz]

Interesting idea, you'd have to be careful not to latch onto a free sms site without permission though, otherwise they might get wind and block ya. I'm guessing that the mechanism for submitting sms messages would vary between sites as well, so the script would have to be customised where different services are used.

I wonder if there's any free sms sites that open themselves up to sydication with other websites though. That would rule.