That's a great idea! I'll be looking forward to seeing that when you're done. You should take a look at the authors' published book for additional ideas as well:
Naughty & Dice: An Adult Gamer's Guide to Sexual Situations (amazon.com)
I bought it, and it's just a great supplement with plenty of information. It's not much on crunch or rules, but it's meant to be applicable to any game system so that makes sense.
This book is for d20 players but is also covering the same subject matter:
Book of Erotic Fantasy, by Gwendolyn F. M. Kestrel (amazon.com)