Folk of the wood
Folk of the wood provides a good explanation of how to set up the fiddle, tune it etc. as well as providing some good beginner/intermediate lessons on specific tunes. It mostly focuses on bluegrass/traditional tunes such as red haired boy, whiskey before breakfast etc.
It has good lessons for mandolin, mandola, violin, fiddle, guitar and banjo.
Below is an example of some of the tablature.
Visit site: http://www.folkofthewood.com/