Panels 4, 5: I was inspired to use a cooler in this fashion after it worked out great for me and Vakko with a sturdy plastic cooler at MFF 2004. All you have to do is add fresh ice twice a day, and it's as good as having a fridge in your room! (But don't use a cheap styrofoam cooler like I did.)
Panel 7: When I started making more Finding Nemo sushi on Monday morning, I came up with a better name for it... "breakfast sushi"!