Sta.sh
I'm a visual learner, I learn better from watching and not reading.. so that's why I've done a video for it c:
These are great if you want to do some commissions since you can sell them for 30-70 points each, or more depending how good you can make them look ~
You can check my channel out where will be adding more in due time: [link]
If you like something in my gallery and want to know how to do it, let me know so that when I next do it, I can put up a tutorial :3
Part 1:
Part 2:
I am sorry though, the link it had to help you get SAI for it doesn't work but you can still use GIMP which is free and easy to use plus it'll do the same job :3
If you have any questions, feel free to ask me ^^
But do bare in mind that this is how I do them and they are very basic so who knows, you may find a better way to do them but for now, why not enjoy the basics? n.n
dA Love 
I did want to put them on dA because I've seen video's on here but I couldn't figure it out