So what the hell does it do?
Well, it makes letters big
_ _ _ _ _ _ | (_) | _____ | |_| |__ (_)___ | | | |/ / _ \ | __| '_ \| / __| | | | < __/ | |_| | | | \__ \ |_|_|_|\_\___| \__|_| |_|_|___/
So that's all it does?
You bet your ass that's all it does.
How do I install it?
You drop figlet onto the appropriate link, and figlet_fonts onto the appropriate link. Caveat: figlet can live wherever you want it to (but ~/config/bin is recommended, just like all command-line apps), figlet_fonts must however live in ~/config/etc (figlet is hard-coded to look there and only there for its fonts).
How do you use it?
After you install it, you'll probably want to use it, right? Well, here's how:
% figlet
...will give you a basic session using the standard font, just type stuff in.
% figlet -f fontname
...will give you a basic session using the font that you specify (look in ~/etc/figlet_fonts for anything with a .flf extension, supply the name sans the extension when using the command-line).
% ls -al | figlet
...pipe any command through figlet for big-font-viewing.