1. Fill in a DMCA; you may parse the Wiki and ask in forums as to how do that properly; won't make you any friends in the end, though - but you will get a result; and, anyway, that's a thing no true red-blooded capitalist would ever lose sleep over, innit? I mean, as long as money flows...
2. Artist may post the packs by themselves, with all proper links, in order to appeal to the kindness and generosity of the strangers on the Internet incentify consumers-to-be to actually pay for the stuff, use "the most popular site" as an advertisement platform, and let the unseen hand of free market consumerism do its job.
In any case, guilt-tripping may work on Twatter. Out here, there are mostly snarks, who are nigh immune to such tactics, with a possibility to chance an encounter with a boojum. By which I mean - a ~chan-dweller. And, lemme tell ya, for them your appeals look more like a limp on a clumsy prey, and smell of blood in the water.
Though, in the end, what do I know of such an enlightened materia, clearly beyond my ken in understanding...
Base +32, Milo375 +4, eryx01 +6, nicestmeme +6, hoc tin +3, qq2436789537 +6, retrospectrum +7, Dandon567 +1, MDashK +7, Thranos +7, mini_foxx +6