I will send you a free voucher for my Udemy course: Get Started Digital Painting with Krita
(https://www.udemy.com/get-started-digital-painting-with-krita/)

In order to take advantage of this offer you will need a (free) udemy account.

Krita is a highly acclaimed digital painting software, and it is completely free and open source. If you want to get started in digital illustration without splurging on license fees then this is a great place to start. Once you have gained  confidence digital painting you can easily and painlessly switch over to  commercial software if you want. (Or you can continue using Krita of  course!)

Contents of this course:
Section 1: Quickstart
Create doodles
Learn about brushes
Learn about layers
Learn about basic tools and shapes

Section 2: Sketching and Inking
Use the transformation tool to modify the basic forms
Use the assistant tool to lay down construction lines and basic forms
Create Bezier curves as line art
Create line art using the assistant tool
Use the krita brush stabilizers

Section 3: Painting and Colouring
Add colour to your sketches and line art
Use alpha inheritance to add shading, highlighting and backlighting
Learn to smoothen out colours (blending)
Learn all about the most common blend modes
Learn about using special brushes to paint texture and other effects

Section 4: Custom brushes
Get an overview of the editor
Learn about brush tips
Link parameters like size and opacity to inputs like pressure
Learn about remaining parameters
Learn about remaining inputs
Learn to import and export brushes

Section 5: Filters, layers and masks
Learn about layer styles
Get an overview of various filters
Learn about all the layer types
Learn about all the mask types