To cover up tattoos: http://www.tat2x.com/
Free Peace Corps dental check-up: http://www.usa-icd.org/projects/peace-corps/
The cheapest lab work I was able to find: http://www.personalabs.com/panels.aspx?PanelID=7178&PanelGroupID=4
Durable, long-lasting underwear: http://www.exofficio.com/products/details/womens-give-n-go-bikini-brief
Pee standing up (for the ladies): http://www.magellans.com/store/Health___Hygiene___HygieneTW101#
Itch Soother: http://www.magellans.com/store/Health___Hygiene___Insect___Sun_ProtectionSC110
Travel Toilet Paper: http://www.magellans.com/store/Health___Hygiene___HygieneTW570
Waterproof pouch: http://www.magellans.com/store/Packing_Aids___Travel_Pouches___PocketsLP153
Small Travel Medical Kit: http://www.magellans.com/store/Health___Hygiene___WellnessKF105
Glasses: http://www.zennioptical.com/
Universal Packing List: http://upl.codeq.info/
Another good packing guide (non-PC, but helpful): http://www.travelindependent.info/whattopack.htm
And another one (also non-PC but helpful): http://www.poweredbytofu.com/how-to-pack-for-a-1-year-round-the-world-trip/
Microfiber, lightweight towel: http://www.mcnett.com/MicroNet-Ultra-Compact-Microfiber-Towel-Military-Style-P132.aspx
For long flights, if you have back pain: http://www.amazon.com/NADA-CHAIR-Nada-Chair-Sportbacker/dp/B000CDITFS/ref=sr_1_1?s=office-products&ie=UTF8&qid=1331083039&sr=1-1
For sleeping on long flights: http://www.magellans.com/store/In_Flight_Comfort___Pillows_and_BlanketsIF383?Args=
A skirt that becomes pants or shorts: http://www.macabiskirt.com/
An inflatable, soft Backpacking pillow: http://www.amazon.com/Nemo-2357-Fillo-Backpacking-Pillow/dp/B001TKN43U
*this is a work in progress*