I applied in-person. The process took 1 day. I interviewed at Institute for Financial Literacy (South Portland, ME) in Jan 2009
Interview
Nothing to it, just go on in and and be sure to smile a lot. It helps if there is something "unique" about you, something that "stands out" from the rest of the crowd. They like that, it makes them feel more competent. And it doesn't matter one bit how you dress, to them "business casual" is tie-dye and flip-flops.