Realistic grass tutorial question

[Vankar]

Hello everyone, this may be a basic question but I've been testing the realistic grass tutorial using Max 2009 and vray 1.5 sp4 but i'm not getting the same results as the tutorial image. My main concern is about the yellow/too bright color of the grass near the background (see image) and what causes it, if someone can help me out i'd appreciate it.
Thanks!

[iToo]

This area in the image is part of the background (see tut_background.jpg in the Environment slot). It seems the bitmap was rendered with a wrong gamma value (it shows much brighter than expected), so the color doesn't match with the scattered grass.

Please, be sure to accept the gamma settings of the scene (2.2) when loading the file.