Whats the best way to practice guitar....

-Ive been playing about a year and 6 or 7 months

-the style is thrash metal

-i am the lead guitarist

-what are some good exercises etc.

-what is the way to practice in order to get the best results i can and etc.
Alternate / Economy picking exercises

Stuff like that.

Practice slowly with a metronome using a clean undistorted sound.
You're better off asking the electric guitar forum in relation to techniques and excercises. This forum is more focussed on music theory.
And no, Guitar Hero will not help. Even on expert. Really.