When Cheryl wrote her blog entry - and it seems to have been deleted - I asked her why she had left here. Her stories were being downloaded as ebooks and then sold on.
She deleted all of her stories from here, except one which she co-wrote. I don't know where her stories were being sold but Amazon is making a name for themselves as a receiver of stolen goods and it may well have been there.
Edit: It was not Amazon, here is a direct quote.
I do have copies of my work on Amazon but those were posted by me - these ones were on a sort of torrent-like scam site. I've tried reporting it and hopefully things will be taken down but was trying to limit what else could be stolen in the meantime.