A quick tutorial on creating rocks

We start by getting few pieces of tree bark and trim down to required shapes and sizes.

  
Spray paint all black and leave to dry.

Paint with dark grey acrylic paint,take note not to cover entire surface and leave to dry.

Last but not least is to dry brush the entire surface with a lighter shade of grey acrylic paint.

 Hope you can benefit from this small tutorial.

Cheers.
Paul