How do you prime the oil pump?

That's good news, this thread just came up pretty much the day after I buttoned up the front end on my engine, lol. Priming the engine had crossed my mind, but I figured I'd just crank it over with no spark or gas and hope for the best. Was thinking about trying to funnel some oil backward though the holes when I saw this thread come up and glad to hear that's a possibility.

Also, just checked my ports and it looks like the bottom one goes to the outer ring of the filter which would be straight from the oil pump I believe. Shined a flashlight up through it and could see the light easy from the port on the side.

Has anyone confirmed if it is the bottom plug?