pretty good article for the newer riders here...

[AngryScientist]

from one of the blogs i usually look at, pretty basic but good tips well written up here on crash avoidance, again, it's basic stuff, but some newer riders may benefit from these.

http://www.cyclingtipsblog.com/2011/03/crash-prevention/#more-17910

[Ahneida Ride]

good tips about tire pressure.