Nade 1: Stairs
This smokes the little steps into B, providing cover from quad and dark. Start by standing in the corner where this bush is.
Position your crosshair on the top of the little box on the antenna. Throw normally.
Nade 2: Firebox
Go to this corner next to the logs.
Look at the little branch in the middle of the tree with a fair bit of sky on both sides. Point your crosshair to the bottom of it where it intersects again with the tree.
And the final results, which let you run into CT: