Hi there !
Here is a so coooool website where tutorials are complete exercises, from scratch to a nice render : http://www.kopilot.ch
In each of them, you will find basic modeling technics, learn tips and tricks about materials, scene design as well as rendering and post-production (node compositing) settings.
These tutorials are screencasted from the French part of Switzerland.
You may know that we speak 3 languages there : German, French and Italian. That’s why all these tutorials are casted in french with an english user interface. Everybody can follow the step by step process and improve at least french understanding
Hope you will find this website usefull !