On this tutorial I'll show you how to apply and use modifiers. Modifiers are used for changing specific properties of an object, usually it's shape, using a few algorithms. Things like mirroring geometry, or deforming your model like a water wave can be very easily done using them.
This is the first blendtuts tutorial. On it we'll talk about using the basics of the new blender's interface, wich has changed a lot from the previous versions one. You'll learn how the interface works and how to customize it to your needs.