I presented a clinic on soldering to the San Jacinto Model Railroad Club on April 5, 2011. These links to YouTube are segments of that presentation.

#1: Solder, flux, removing solder, tinning soldering tools

#2: Soldering buss wires

#3: Soldering track and feeders

#4: Soldering switch frogs

#5: Making an operating gate from brass stock

#6: Soldering cars and locos.

#7: Soldering 603 micro LEDs