So, I've started to follow up on this, and it's looking like it's different from the usual Flickr checkbox to let Getty access your images... I had to make an account with Getty, and provide tax information, and they're going to want model release forms... I'm wondering when they'll notice all my flickr images are only 900 pixels tall... Of course, I can provide them with full-res images, but I'm wondering if I'll be forced into updating to flickr pro to do it.

In an invited member only forum (of 76000 users, so I'm not THAT special) somebody mentioned selling an image for several hundred dollars. That's what convinced me to look deeper into this.

I still have to read the fine print, and I need to figure out if I need to apply for a US tax ID number thingy... I left that blank, and they accepted it for now.