When I turned up smalltime flying jobs it was always by cold-calling, word of mouth, or just getting around to various airports. The part time job I have now was found driving through an area with the airband radio on and I hear this "...two minutes, skydivers away..." so I couldn't resist stopping in. And hey, they need a pilot. It's part work and part luck.

The technique works because I am a hobby pilot with low expectations and I am limited to a specific region since I have to get home at night.

At one point I thought about actually finding a decent smalltime aviation job, but as you know you aren't going to make enough to do it fulltime until you have credentials or your uncle buys the airline.

For free you can go through all the forestry service websites in the areas you would like to work. Many flying jobs are advertised as state forestry pilots which is a lowtime sort of job.

As for banner outfits, you can find those (free) online by googling up the various company names as they all have websites to draw in customers. Write the chief pilot or some other department and ask who to call or email.

I found a good technique to drum up jobs is to google up the phone numbers of major utilities seeking pipeline patrol, and ask for the flight department, even if you have no idea they even have one. It's amazing how many hits you get doing this. I had several openings offered to me for this kind of flying by just cold calls to a corporation asking for the chief pilot. He is sitting there eating fritos watching reruns of sanford and son and all of a sudden you are on the line. He will ask what airplanes you can fly, and usually this person knows 4 other people to call as well.

Good luck!