Source of Photo (A sign from Marmora, Ontario, Canada, from the book Signspotting 4: The Art of Miscommunication, compiled by Doug Lansky): http://blog.sfgate.com/getlost/2013/06/24/signspotting-signs-gone-wrong/#13220-13
Check out some FREE eBooks about good deeds (and some books for sale):
http://www.smashwords.com/profile/view/bruceb
For some stories of good deeds and anecdotes, check out the rest of
davidbruceblog #1 