Maintenance prior to dropping everything back in the car

17 minutes.
That's all it takes to drop the TTI front pipes, the "propeller shaft",the GVOD, and the tranny, on a drive-on hoist. I have witnesses,lol.

Your clutch and flywheel look really good.

Getting the crank and tranny on the same centerline ensure a smoothly working clutch,a long lasting clutch hub, a quiet front tranny bearing,a long life for the MS nose, and a long lasting pilot bushing.
A smoothly working clutch makes an easy shifting tranny.
And don't forget horsepower. It takes power to wobble all those parts around;power that could have been used to smoke the tires,lol. How much? Oh Gee-Whiz,IDK.

You cannot tell a good freeze plug from a bad one by looking at it, unless of course it has a hole in it; they rot from the backside, seeing as how they are continuously submerged in coolant that is primarily water. Seeing as how cheap they are, and how easy it is to change them when the engine is out, it just makes good sense to replace them now.
Don't tell anybody, but I have, on my stuff, reused some, if they came out ok. I don't suggest you do this, cuz I'm not buying you a new engine if you fail to reinstall them correctly, and you have a total engine failure! I run a 7psi cap. Everything lasts waaaay longer with a 7 psi cap.