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Title: High Spirits
Author: Blueeyedliz
Rating: NC/17 for potty mouth language, violent scenes & some m/m tupping (sex - with bottom!Jared).

Summary: Jensen is engaged to Danneel but when they take a weekend break together at an old - supposedly haunted - hotel in Texas, Jensen meets someone who turns his life upside down and steals his heart. This story is a J2 retelling of the 1988 film ‘High Spirits’.
http://blueeyedliz.livejournal.com/tag/high+spirits

Annie 46 has a few that can be found here
http://community.livejournal.com/annie_46fic/505.html
Title: To Serve
Pairing(s)/Character(s):Jensen/Jared, Others
Rating:NC17
Summary: In the distant future – earth has suffered from the effects of global warming and chemical disasters. Too many drugs and world wide pandemics have left most of the men on earth sterile and unable to have children.
Those few men who are still fertile are held by the Government – their position almost that of slaves – bought and sold – they exist solely to impregnate women who can afford their services. Jared is one of those men and, when he is sold into the house of the president, his life is about to change forever.
He may have been purchased to serve the first lady – but it is the president himself that wants him.
How will both men deal with this strange attraction?
Can love still exist in such a world?

Title: Something Different
Pairing(s)/Character(s):Jensen/Jared, Others
Rating:NC17
Summary:Jensen Ackles is engaged to a woman who he loved and who has saved him from a friendless existence. He is a keep fit fanatic who cares about his body, his liver and his heart. What happens when he meets a free and easy lap dancer on his stag? A match made in heaven? Certainly something different!

I just re-read your request- really on To Serve has Danneel being mean to Jared the other two she is mean to Jensen. Sorry bout that.