One of the Pirate Bay's founders has vowed to pay off his court-ordered fine (if it isn't successfully appealed, I assume) by getting net-users to send tiny sums to the entertainment industry's law-firm, thus swamping them with transaction fees that could cost them millions:

A friend of anakata told Blog Pirate that the bank account to which the payments are directed has only 1000 free transfers, after which any transfers have a surcharge of 2 SEK for the account holder. Any internet-fee payments made after the first 1000, which includes the law firm's ordinary transfers, will instead of giving 1 SEK, cost 1 SEK to the law firm. Since Danowsky & Partners Advokatbyrå is a small firm, all the transactions are handled by hand. Handling all payments will be time consuming, costing the law firm in productivity. Maybe it will even affect their success in other cases…

Additionally if after paying the internet-fee you determine that your payment was erroneous, Swedish law states that you can request the money back, putting an additional load on Danowsky's law firm.