In all seriousness, click on that donation button. You can pay with your credit card or debit card as an alternative to an actual paypal account.
Otherwise you can PM brad and beg for an address to which to send cash. Make sure you don't write "cash" on the envelope. But really, by sending cash, you run the risk of being raped by the postal service... pick your battle.
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Mediocrity at its most average.