Got a couple more for you:
In Frostburn, there's suppress flame, 10 ft. cube/level, Sor/Wiz 6, all fire spells reduced to 1 hit point of damage per die (e.g. 10d6 fireball = 10 points of damage on failed save). Lasts 1 hour/level. Good for protecting a position, but not for movement.
There's...