Here's some good installed threads (with DIY instructions, photos, review) of the MESO custom map lights:
https://www.4runner6g.com/forum/threads/meso-customs-switch-back-interior-overhead-dome-map-light-upgrade-white-red-modes.5897/...
Always been a big fan of the Black Rhino Armory wheels for their super tough military look and they look great on your 4Runner!
What size width and offset are yours? And how are the Geolander AT4 in the snow?
https://www.amazon.com/Upgraded-Expandable-Adjustable-Universal-Compatible/dp/B0BRJP4ZRW
Here's a 64 oz Yeti Rambler using this cup holder expander adapter (in someone else's 6th gen)
Looks great! Various owners have painted or powder coated their skid plates. Here's a couple examples -
Powder coated TRD PRO Skid Plate (BLACK)
Skid plate letters paint matched to body color (Heritage Blue) -- sourced from Land Cruiser