Three amazing photographs at BLDGBLOG:
Click to embiggen.
Click to embiggen.
Click to embiggen.
[Images: Airborne electricity grabs hold of a volcanic plume - in this case, Chile's Chaiten volcano, which began erupting last week "for the first time in some 9,000 years." Photos by Carlos Gutierrez for UPI].
There are a bunch more at the Carlos Gutierrez link.