If you went to the shelter is there any chance at all you could find a job near there? If it was me I think I'd at least try that for the 2 weeks, maybe even multiple times if it didn't work the 1st time. Spend the 1st couple days in the library looking through the want ads in the paper, and going business to business seeing if they need ANYTHING, or if they know anybody else who needs somebody. If it doesn't work there, try another town if that's at all possible.
You could do some prep work before leaving home, use the phone book or google to find restaurants or other likely leads and call around. There SHOULD be at least some temp work available, lots of places need extra staff for the holidays. If none of that is working, try stuff like borrow a snow shovel and go around shovelling and then asking to do it regularly or at least get a few bucks.
Oh, and call up all your friends anyway and ask them if they know of any openings, and even to look around their area for you. Ideally you could crash with them for a couple weeks while you get on your feet, or at least maybe they'd let you park the camper there. If you at least got tags, possibly you could get a friend to drive the camper to wherever (presuming THEY have an insurance card to show if you get stopped). Hell stay in a shelter there if you have to if there's a job, you should be able to bootstrap your way up once you have SOME money coming in and are in a better area to keep looking...