You can get the following graphs on your blog just by placing these images into your blog:

Reads/Day (last month)
<img src="/servlet/chart/reads-day.png?blogId=11924" width="140" height="100" alt="Reads/Day">

Entries Added (over time)
<img src="/servlet/chart/incremental-entries.png?blogId=11924" width="140" height="100" alt="Entries Added">