Mersenneary plays a series of $50-$110 buyin level matches on Carbon Poker.  He talks about value bet sizing, figuring out what to do against people who 2x and 3x open raise different ranges, and how to play against passive stations who always call flop and call down with very strong and very weak hands.

Cog Dissonance discusses preflp big blind strategy in this video.  The video is focused on super turbo heads up sngs, which will be applicable to the end game/short stack situations that arise in any heads up structure.  Slides are used to discuss differences in approach from 13-19bbs and 20-25bbs and example hands are replayed against various opponent types.

RyPac13 finishes the Aggressive HUSNG Leakfinder series talking about key concepts against a loose-aggressive opponent including: combining early reads with playerbase tendencies that lead to superior decisions, continuation bet size manipulation and not over reacting to early aggression.

ITRIED2WARNU plays two matches at the $220 + 10 level on Full Tilt.  He focuses on making adjustments against loose, calling station like opponents.