You don"t need to aline in an specific order. Just remember you never align them all in the same spot. This would cause blow by and oil cunsumption problems. What i do is offset the ring gap by 3rds or 180 degrees from one another. The oil ring scraper I place one at 10 o"clock above the wrist pin and the other at 4 o"clock below the wrist pin. There should also be instructions on which side of the ring faces up.
As for assembly lube i use whichever weight of oil I"m running in the crankcase for assembly. Set your rings in a bowl of oil before you place them on your pistons. Oil the gland that the rings are to be install in on the piston. oil the inside of your piston sleeves before placing your piston into them. oil the wrist pin and where the rod connects to the wrist pin. Need less to say just oil everything, no oil will cause damage when you start the engine. I even place a little oil on top of piston for more lubercation when starting. So with all this oil just make sure your deck is oil free and dry for your head gasket to seal.