Squeak Etoys is a "media authoring tool"-- software that you can download to your computer
and then use to create your own media. You can write out your project and share it with others.
Etoys runs on any Mac or Windows machine, as well as on the OLPC XO machine.
It is free.
Find out about Etoys.
Text of this guide (for searching): Halo: Color Properties Sheet
Properties Sheets provide tools to customize the appearance of objects from Supplies and from the Object Catalog.
Click on an Ellipse in Supplies for your experiments.
Right click to open the Ellipse's Halo and then click on its magenta handle. Click the + in the top border of your Ellipse's color palette to open its full Properties Sheet.
These Properties include: solid fill, gradient fill, radial fill, direction and origin, border color, style and width, adding a drop shadow with options for its color and offset distance. This gigantic Ellipse's color properties have been changed ten ways:
color
gradient fill
second color
radial fill
radial fill origin
radial fill direction
border width reduced to 0
drop shadow added
drop shadow width selected
drop shadow new color chosen. Experiments with these properties will build a vocabulary of ideas that make your projects look the way you imagine.