It's alright.
It shows the newbs how to do stuff, which is what a tutorial of this kind is for. Some of the descriptions for tools are incorrect, though. It says the paint brush makes lines that are thicker than the pencil, when the paint brush makes fills, not lines. Fills are like paint, each pixel which is painted is assigned a colour. (Or something to that effect.) Lines are, well, lines. They're just lines which when processed are assigned a colour and a thickness and are displayed on-screen. Also, the oval and rectangle tools create ovals and rectangles, not just circles and squares. (They can make wide short circles and squares too, you know.)
Other than that, it does what it's supposed to do, but not all that much more. 5/10 2/5