As a resturant manager/bartender, I thought I'd throw out my two cents here...
Lifesaver-Yes, you should tip the take-out person at least a little something, for the reason that Jadey stated (And good for you for doing so! You get a gold star
). Servers have to pay taxes against their sales. A rule of thumb for carry-out, at least what I tell my dad, the carry-out king, is to tip AT LEAST what the sales tax is in that area (here 6%).
An additional thing about tipping, and my apologies if someone addressed this already-Servers (and bartenders) LIVE on their tips. Most servers make $2.13 or slightly more per hour. The aforementioned taxes come out of this money, often leaving a very, very small check. At my old job, my paycheck per week was often $4 or $5 after everything was taken out.
When in doubt, tip a little something
*Stepping off of soapbox*