SG-1 fans, go read Beka's All Hailey series. It is hilarious and so, so hot.
Damn, I love you, girl. *grin*
EDIT: Let us all worship at the altar of Beka the Smut Goddess, who has deemed us worthy of suggesting these courses. (Minors need not apply.)
Sexual Studies 101: Screaming Orgasms and Heaving Breasts--How to Write a Sex Sequence That Doesn't Suck (In A Bad Way)
Sexual Studies 102: Talking Dirty With a Clean Gene Pool--Sex Dialogue For the Non-Mentally Challenged
Sexual Studies 103-01: Proper Spelling and Movement: Correct Usage of Four-Letter Words
Sexual Studies 103-02: Biology of the Interesting Sort: Keeping Track of Body Parts
Sexual Studies 104: Positions--Because Missionaries Are Boring
Sexual Studies 105: God Hates You Because You Are Stupid--Discovering Better Times to Say "I Love You"