Now we're going to set the paint bucket to fill the outlines
with colour.
- In the Toolbar, double click on the Paint Bucket tool.

The Paint Bucket Options dialog box will come to the front.
Make sure the settings look like the ones shown above, particularly
that Tolerance: is set to 255. This is the maximum
setting, and will make sure that the Paint Bucket floods every
last nook and cranny of the outlines with colour.
- Click the paint bucket inside the outlines. They will fill
with colour. This may take a minute or so.