Welding techniques

Basic MIG Welding (good) http://www.youtube.com/watch?v=lzBGZaS1apw
Advanced MIG Welding (good) http://www.youtube.com/watch?v=sMdQT-eswYY
Seamless welds with MIG: http://www.youtube.com/watch?v=JohBHzhOyPg
Miller howto: http://www.youtube.com/watch?v=YU8WdV6k3rA
Learnhowtoweld: http://www.youtube.com/watch?v=vbmyc0QQlZ8&feature=channel