The classic Mac screensaver Flying Toasters (from the "After Dark" suite) is yours to enjoy again, complete with Toast Controls and optional monochrome. And, thanks to the glory of modern web technology, it works on any computer. [masswerk.at]
You can even share specific settings as a link. Here is the most existential setting: a single piece of toast in black and white.
Previously: recreating Flying Toasters with CSS.