Sci-Fi Big Bang threads

FD threads for the SPN-related works in the Sci-Fi Big Bang.

2012

 * The Witches of Salem [Sam/Dean, PG14] by revenant_scribe, art by off_the_post18

2011

 * The Ghost in the Machine [John/Dean, Bobby/Eleanor, Sam/Castiel, NC17] by ghostwriter056, art by reapertownusa