Okay, listen up. I can personally verify the following problems.
*Copy/pasting an image: Won't work. This was my first idea. The username watermark is applied when you open the image, not when you download it. Therefore, no matter what image you open, you'll still have "SCAPPO" or whatever your username is plastered all over the pictures. You can copy and paste all you want, but it'll be a waste, since your username will be on the image anyway.
*Downloading without opening the link: I considered that possibly the watermark was applied when you open the image for viewing. This is not true either. You can try to download the image file via the thumbnail (save link as) but the watermark persists.
*Mobile: All of these problems persist on mobile.
So, where does that leave us? I don't share Tailheat art because Scappo has very intimate details about your account information. I don't believe he has access to your credit card, but he does have access to your password. When I registered the password was old, but still. He's not a bad guy, but I wouldn't put it past him to lightly dox someone to deter art theft. It sure as hell would put a stop to the piracy!
My opinion is that when you sign in, the system automatically watermarks every image with your username before you can even see it. That leaves two options.
1. Fucking pay the seven dollars, download all the pictures you want, then vamanos and keep it for yourself. Or don't, and just enjoy the art. Do it again later. Their subscription is set up to catch people who sign up, download and vanish, that's what people have been doing to SexyFur for forever. Fortunately I didn't even notice the watermarking until you guys pointed it out, it's pretty subtle, so I wouldn't call it a big deal.
2. Make a bullshit account with a weird username, siterip, upload, hope that you don't get dox'd.
While I can't (and won't) disseminate the site content, do remember that you can't watermark text or flash. If you're just after the TailHeat images, you're fucked until you get an account. As far as flash and the stories go, you could likely share those with impunity.
Regarding the sharing-by-private-email gig: That would probably work if you made a bullshit TH account and didn't care what the watermark said. However if those get posted by the folks you send the content to (if you trust people on the internet that much you're probably a dolt) all the public furry porn website, guess who's gonna see it? Scappo. There goes your account, and again there's a doxing possibility. Don't risk it. If you want the content that bad, pay for it, if you don't wanna pay for it, suck it up!