The symptoms you describe sound consistent with some wear on valve guides. Smoke on startup after being parked would be from oil leaking down the guides onto the back of the valve. First spit of gas from the injectors washes it down into the cylinder and boom, smoke. The amount I see there is not enough to be alarmed but it is a portent of the future where you still end up pulling the heads and having them gone over and freshened up. When you're driving you won't see it. Things heat up and start moving and you won't see the smoke anymore until you park and then startup again. People behind you will see little puffs now and then, particularly on acceleration but it won't be enough to see in the mirror. The amount of varnish I see in there is pretty high, suggests to me you're using conventional oil or a prior owner did and the car has seen a life with lots of extended oil change intervals. You might pump up to 10W30 oil instead of 5w30. It'll resist travelling down the valve slightly better but won't be so thick that it drives your oil pressures into orbit or give you poor lubrication in the areas where clearances are still at spec.