M-8 weels don't roll (like all gv's) and the wheels don't steer.
Also the gun flash of the M-8 is a bit weird...
Water can be seen trough the LVT(A)'s.
You can see trough the ground and see the other vehicels and your own bottom.
The M-8 front wheels can be seen trough the hull (from drivers position)
When aiming very high with the Tiger tank, you are going to see some sort of 'floating' grey square. Aim up at it's tops and aim abit left. It'll appear suddenly in your aim.