Would someone please help interpret these vacuum test results?

I have to go back into the engine & figured I would attempt to dot & cross prior to doing so. Part of the plan is to do valve clearance checks. I also appear to have yet another VCG leak, which of course tells me more is going on. & as many know, there has been a high idle issue for quite some time now. In fact it started right after I did a major engine cleaning last June, injectors, gaskets, etc.
Anyway, I do understand these vacuum test results are difficult to interpret, so I'm looking for input from those in the knw. A bit confusing between whether it's a high fluctuation or in the normal range fluctuation. Weird thing, or maybe not so weird with my driving it when unbeknownst to me maybe I shouldn't have been, is about a month ago, the check was all fine.

https://youtu.be/w0sDm58pjoc

https://youtu.be/d6aPP6ux5BU

https://youtu.be/Y44kv93IZ7I

 

Any unmetered air, any thing after the MAF, is not good. Check all the hoses for splits, evap system, gas cap seal, valve cover oil cap...AFAIK, those readings aren't outlandish depending on geography. Here's a good explanation: http://www.tuneruniversity.com/blog/2011/05/check-your-engines-health-with-a-vacuum-gauge/