I think that I searched for something like "shaders +free" with a timerange of 8 months. On the second site found that thread

Btw, that BloomBlur effect has not much to do with bloom, okay in he end it has, but it misses a few things. It just blurs the whole screen a little bit and makes everything brighter.

Lite-C Tut. 1 Lite-C Tut. 2 Lite-C Tut. 3 (en)
Shader Tutorial (ger)

http://www.slindev.com