It's quickly accessible with the B key. This tool will allow you to draw colorful, thick, luscious lines. You can change the color on the far right side of the screen, or create a custom color.
 You can change the size of the eraser on the far left, and hold down left-click in order to erase anything on your screen., It can be used by pressing K. It's a little glitchy, so look out for issues if you use it., You can access it with the I key. If you created a custom color, just press the I key on your keyboard, left-click on the spot you want, and voila! You've got your custom color back!, This will draw thinner lines, and it can be useful for more advanced detailing., This will guarantee that you don't have blank frames at the beginning of your animation., Try to make it seem realistic, and take your time to make sure it's the way you want it to be!, You should see 3 circular buttons that are arranged in this order. (+) (-) (+)

Pressing the first button will add a new blank slide.
If you left-click the second button, it will remove the most recent slide, or whatever slide you're on.
If you click on the third button (arguably the most useful one), then it will duplicate your slide and create another one.
 If you want to just test out all of the features before creating your first real animation, then try to make a stick figure running in the forest, park, or wherever else you can think of!, A massive color wheel should appear., After that, you've got a brand new color! You can use it with the tools mentioned above., If you accidentally get bumped while animating, move your mouse the wrong way, or, put simply, mess up while drawing something, you can always push Ctrl+Z or ⌘ Cmd+Z, and it will undo your last action., Let's say that you're casually creating an animation, thinking that it looks awesome, and then suddenly, when you try to undo an action with Ctrl+Z or ⌘ Cmd+Z, you click something else and your screen rotates weird. Oh no! What do you do? Left-click on the View button on the top-left of your screen and click on "Reset Zoom/Rotate." Then, your animation will be saved, and you can safely keep working on it once more!
Get to know the brush tool.
Press E to access the eraser when you need it.
Use the bucket tool to fill color.
Use the eyedropper tool to remember what colors you created or edited.
Press N to access the pencil tool.
Make sure that you're on the first frame with Bitmap ON (on the bottom of your screen).
Draw what you'd like for your first frame, For the starting animation, maybe try a stick figure.
When you're done, look near the bottom left of your screen.
Keep repeating this process until you've got a really nice animation.
Click on the small color box above your color list on the far right of your screen.
Select any color you like, and then press OK or "Add To Custom Colors.",
Use "undo" when you make mistakes.
Look out for issues with your view.
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