I love this podcast by Canine Campus! It offers great dog training tips and good advice using positive reinforcement techniques to deal with common issues.

You can subscribe through iTunes.

Past topics include:
Working on Attention
How to Desensitize a dog that doesn't like nail clipping
How to survive a multi-dog household
Using Life Rewards
Calming Signals by Turid Rugaas
Working on Leash Aggression
Puppy Socialization

Go subscribe now! They are great. :)