fundamental endgame
opposition: http://www.youtube.com/watch?v=LFRNFh3eyuo&feature=channel
pawn races : http://www.youtube.com/watch?v=NECM4_C1Kuw&feature=related
triangulation: http://www.youtube.com/watch?v=UQMubtpaMP4&feature=channel
3v3 pawn breakthrough: http://www.youtube.com/watch?v=3jINmAguoDg&feature=channel
(too) advanced endgame 1400+
philidor: http://www.youtube.com/watch?v=7OUb-nCJ4mI&feature=related
lucena:http://www.youtube.com/watch?v=UXtT0StMqKQ&feature=channel
tactical
http://www.youtube.com/watch?v=Py-wsDOSvM8&feature=related
http://www.youtube.com/watch?v=Eg2d6XxFqNo&feature=related