The noheadbob.zip file you have requested: Clear Sky / Mods / Singleplayer / No Head Bob - 1.53kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
Simple mod that removes the head bobbing effect from the game. I could not find one so I made my own. Works fine with 1.5.04 patch. Instructions included.