A high elf princess-turned-adventurer is bringing home her boyfriend to introduce him to her family. Unbeknownst to the family, her boyfriend is a Drow. Hilarity ensues.
A wimpy squire finds a magical sword that makes him invincible in combat, but to recharge it he has to sleep with a new partner that night.
The King has announced a grand tournament will be held, and the winner will receive his daughter's hand in marriage. The princess is none too pleased about this arrangement, and, after a long argument with her father, has come up with some "interesting" challenges designed to humiliated any knight foolish enough to compete.
Every few years Amazonian warriors leave their island to go out and capture new slaves husbands. This time, however, they are pursued by a heavily armed galleon captained by a woman who lost her brother to the amazon and now wants revenge.
After 300 years of slumber, Count Alucard has arisen from torpor to once again rule the night as king of all vampires. But first, he need to find at least 3 brides for his harem.
A journeyman alchemist has discovered that the healing potion he was working on is also an extremely powerful aphrodisiac.
A paladin begins to have crisis of faith when he discovers that the demons his order has been fighting aren't evil; they're just rude and really into BDSM.
That's what I've got off the top of my head. I'll post more later if I think of any.
