Krita tutorial 2 - Layers and editing

Edit 5/2/2013: The term "alpha-locking" has been changed to "alpha-inheritance", to distinguish it from alpha/transparency locking. Hopefully this will clear up some confusions.

This tutorial is under a CC-0 / Public Domain license.

To find back other tutorials mentioned in these tutorials and more, visit Krita's resource page: [link]

My Krita tutorial series:
Big thanks to Claus for converting all these to a wiki format as well. Everybody is welcome to submit improvements, updates and translations to this wiki, so it may be more up-to-date. These tutorials were done with Krita 2.5.2 ~ 2.5.3. To my knowledge, Krita 2.6 should have a mostly similar interface.

Part 1 - Basics ( Wiki version )
- Symmetry mode, Interface, Quick overview of some brushes

Part 2 - Layers and Editing ( Wiki version )
- Layer management: alpha locking, layer mask and erase mode, filter brushes, masks and layers, local selections, clone layers, use recommendations
- Image properties and editing: basics, selections, transformation tool and deform brush,

Part 3 - Brushes

Part A: General ( Wiki version )
- Preliminary: common "issues"
- Brush management: Saving/Deleting presets, brush folders
- Drawing modes
- Assistants

Part B - Pixel Brushes 1/2 ( Wiki version )
- Brush tips: Autobrush, Predefined brush, Custom brush, Text brush
- Paint build-up behaviours: Default (Opacity vs Flow, Build vs Wash-up, Airbrush mode), Blending modes

Part B - Pixel Brushes 2/2 ( Wiki version )
- Brush shape dynamics: common settings, opacity, size, spacing, softness and sharpness, rotation, scatter
- Color source, color dynamics, Texture -> Pattern
- Combos!

Pixel brushes - Appendix 1: Gallery of predefined brushes
Pixel brushes - Appendix 2: Brush presets from the tutorial

Part C - Color Smudge Brush ( Wiki version )

Part D - Curve, Particle and Dyna brushes ( Wiki version )

Part E - Sketch, Hairy and Chalk brushes ( Wiki version )

Part F - Hatching, Grid, Spray and Experiment brushes ( Wiki version )