Place this file in the effectbank/reloaded folder and rename it to post-bloom.fx
rename the original post bloom to something else.
Restart Game Guru.
Might want to keep a copy of this file around for when updates occur.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.