Note: there is a page full of links to assorted and sundry pinhole information on the Worldwide Pinhole Photography Day website. Click on the 'Resources' link at the top. There are galleries there showing pinhole shots from all over the world on pinhole days back to 2001 or so.
By the way, WPPD is something to line up for in 2013, it's usually the last Sunday in April. I've been going out for that each year now since 2005. usually I try to record some sort of unique/historic spot in my area.