How To Properly Throw A Cross Map Grenade -Part 1- (MW2)

This is basically a tutorial on how and where to throw a nade across the map to confirm an opponent before getting to enemy lines. This enables you to rush plant in S&D (search and destroy) and also clears a path way for your teammate to give you cover before the enemy realizes that you are planting.
There will definitely be more parts to this segment.