Wanna get caught into MentalRays....

It is very much necessary to have strong hand with
Mental Ray or V Ray to get involved with Realistic outputs
in CG particularly forVfx projects.There are so many links
on the net but these links are
very useful to spend time to improve lot

http://mentalraytips.blogspot.com

http://www.djx.com.au/blog/index.php

and

http://www.lamrug.org/

hope this links will help you lot Mr.Josh-:)