Try matojelic videos on youtube. Just type in matojelic in the youtube search box or use the link below:
http://www.youtube.com/channel/UCMxK1FKAbmj2N-faTWLwNig
None of the videos are too long. The games, along with the commentary provided is very instructional.
In your opinion which chess videos are the best ones on Youtube? List both the best single chess videos and the best series.