Instructions
Start a game in "Call of Duty: World at War" for the Nintendo Wii.
Turn the Wii remote to the left in a clockwise fashion. The grenade selector indicator will switch to a different grenade. Continue to turn the remote until you select the smoke grenade.
Press "+" on the Wii remote to throw the grenade. Aim the grenade with the Wii remote. The longer you hold down the "+" button, the farther you will throw the grenade.