Minecraft Patching Guide for Macs

I've watched a few episodes of 'The Minecraft Project' on YouTube for inspiration, and I occasionally play Minecraft for an hour or two as a diversion (it's like LEGOs on a computer, but much more fun, because there are zombies!).

Jeff's Humble little Minecraft Farm
My humble little Minecraft farm.

One thing I've always liked is The Minecraft Project's look and feel, mostly due to syndicate's use of the DokuCraft Light texture pack. However, getting that texture pack to work along with other mods and patches (especially the automatic tool switcher mod) took some work on my Mac, and I thought I'd post my process for getting everything to work here, for the benefit of others having the same troubles (especially those getting the 'Use the patcher noob' messages where water, lava, etc. are supposed to appear):