SV crossover comms not previously linked as far as we can tell:
chloecrossing is a comm for Chloe/non-SV characters. sv_dcu is a comm for Smallville/DC Comics Universe crossovers. sv_f4 is a comm for Smallville/Fantastic Four crossovers. sv_heroes is a comm for Smallville/Heroes crossovers. sv_spiderman is a comm for Smallville/Spiderman crossovers. sv_xm is a comm for Smallville/X-Men crossovers. tractorcrossing is a comm for Smallville crossovers. winchullivan is a comm for Chloe/Sam and/or Dean.