The advertising took a few different forms:
(50) 11x17 posters,
(50) 8.5x11 fliers,
(150) fliers in envelopes addressed to "Would you like to build something together?"
I got all of the posters and fliers printed at Kinkos, and printed all of the envelopes at home. Each person on my mailing list got a handful of materials to post around their neighborhood or stick under peoples' windshield wipers.
I really hope this technique works! To help track results I started a map on Google where I put all of the original addresses I mailed to, and then as proposals start to come in I can add additional points to the map.
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