(Sorry about the link mess up with these):
Never Again (http://www.fanfiction.net/s/5416493/1/Never_Again)
Summary: Lucifer's vessel. The words echoed in Sam's head. He won't let him win. Sam calld Dean. Dean races to stop him. Set after 5x03.

The Song Remains the Same:
Of Angels and Airwaves (http://community.livejournal.com/creators_hands/46473.html)
Summary: Coda to 5.13- Sam doesn’t quite make it back in one piece and Dean is there to take care of him.

Here are the hurt!Dean ones, just in case you get in the mood:
Unprotected (http://www.fanfiction.net/s/2807014/1/Unprotected)
Summary: Dean's having nightmares about Pa Bender burning him, and then turning into John, who is really really angry because Dean "let" something happen to Sam

Never Forget (http://agt-spooky.livejournal.com/9456.html)
Summary: An epilogue to The Benders. Dean’s more hurt than he lets on and Sam takes care of him.

Words Unspoken (http://wolfling.livejournal.com/233756.html)
Summary: Sometimes there's more said in the dark and the spaces between words than is actually spoken.

Wounds (http://mellaithwen.livejournal.com/16902.html)
Summary: Hiding things never did anyone any good.

Lucifer Rising:
The ABC of Limp!Sam - S (http://captainlon.livejournal.com/284899.html)
Summary: Chapter 19: S - Suicidal
- Alt. ending to "When the Levee Breaks" and "Lucifer Rising"

4.22 Coda (http://authoressnebula.livejournal.com/799804.html)
Summary: Post season four, Sam is still having nightmares about Dean's death from the hellhounds. Dean comforts his little brother, and it turns out that Sam's been hiding his nightmares.

Homecoming (http://samidha.livejournal.com/1102847.html#cutid1)
Summary: Sam and Dean deal with reality in the only way that makes sense: together.

Detox (http://community.livejournal.com/no_candle_mom/56157.html)
Summary: Starts in the last 2 minutes of 4.22. Sam and Dean make it to safety with Castiel’s help, but Sam still needs to purge himself of the demon blood.
This time, makes the last time look like a walk in the park.