GDTmod HDR version 1.01 By HeinBloed for Arma2 v1.02 or greater.
Just reuploading with easier installation, as its too hard to find it these days.
Works fine with latest patches.
See Readme for installation instructions.
*All credits to HeinBloed.
Preview Videos:
BEFORE: Youtube.com
AFTER: Youtube.com
BEFORE: Youtube.com
AFTER: Youtube.com