I finally got around to digging up some hair tutorials:
Normally I just do some variation of the Gibson Tuck (just learned the name!). Check out this tutorial. For variation, I move around the ponytail location, how much I pull out the elastic, whether I incorporate my bangs, etc.
While I haven’t made a big poofy bun recently (b/c of lazyness mostly), it was one of my favorite styles in the fall/winter. Video available here.
My goal for spring/summer is to incorporate more softer hairstyles like this one (which was a loose bun that went rogue – I rather liked the results!):