Here are some "hidden" graphic settings for gibs and blood:
/bloodscale
/gibscale
/gibweight
/gibsweight
/gibselasticity
/gibfade
/gibsrelativity
/bloodscale
/bloodsize
/bloodfade
/bloodscale
You can make your game REALLY bloody with these settings.

Something else i found:
firstpersonbobfocusmaxdist set this value to "2" for a unplayable, but nice looking realistic first person cam, probably cool for trailers, with hidden hud and in slomo
"Red Eclipse pwns Sauerbraten. Deal with it." - hulk
"low FOVs make me sick" - hulk
nickname RE: PENiS