Are there any H-Manga forums which are being used by thousands of people?

I was just about to ask how you can discuss an H-manga. But eh, sharing. That's makes sense. I mean, where is there to say? "Yup, that was fun to f@p to." End of conversation.

Mangatraders has a sister site called hentai traders. I have never been to it so I have to idea what it's like. MT has a forum but I don't know if HT does. You can share all of your lovely H-manga there by uploading it to the site.