Here are some sample images:
The full LaTeX source and all images are available for download, editing, and version control on GitHub. This often has more recent updates than the pdf version here, since I have not automated rebuilding this pdf when I commit to that repo (though I should!), but not always. Either way, they usually track each other within at least a couple of weeks.
If you have any questions, additions, revisions, or suggestions, submit a bug report.