Market design posters

I'm giving a public talk on market design in Toronto on March 22, and Martin Osborne writes:

"Hi Al. We're making preparations for your visit. We've created some posters that you may be interested to see http://www.economics.utoronto.ca/osborne/poster1.pdf
http://www.economics.utoronto.ca/osborne/poster2.pdf
http://www.economics.utoronto.ca/osborne/poster3.pdf
http://www.economics.utoronto.ca/osborne/poster4.pdf
http://www.economics.utoronto.ca/osborne/poster5.pdf
(#4 is a much bigger file than the others, because we are going to us it for the hard copies.)"

The pictures are great. To my eye, the market in poster 2 looks like the one in most need of some design...