At BarCamp there was a session on flash photography.  I'm pretty bad at dealing with flashes so I attended.

====== Brain Dump of Notes ======
  * Take 10 minute exposure with lens cap on as a noise shot
  * Use 'difference' in photoshop
  * Peanut slave (pro photo)
  * Max sync speed
  * Ebay trigger
  * Pocket trigger
  * Snoots (mat board)
  * http://matthewgmonroe.com/
  * Ringlite
    * Masonite
    * White xmas lights
    * Furnace tape (reflective, not duct tape)
    * Not good with a portrait lens, 2850K
  * Tune monitor
    * Whitest sheet of paper
    * Strobe paper
    * Overexposed blinkies
  * City lights
    * f8, 20-30s, 100ISO
    * 20 min after sunset
  * Lightdome Q3
  * White wall f16 for sensor dust checking
  * Vivitar 285HV (high voltage) with peanut trigger
    * New released version trigger voltage adjusted from 200V to 6V for modern DSLR's