1. Log into Blogger
  2. Click on “Layout” in the left nav
  3. In one of the footer sections, click “Add a Gadget”
  4. Click “HTML/JavaScript” in the “Add a Gadget” window
    blogger-add-gadget
  5. Copy and paste your custom MiloTree code snippet into the “Content” box of the “Configure HTML/Javascript” window (you can leave the “title” blank)
    blogger-insert-javascript
  6. Click “Save”
  7. Click “Save Arrangement” at the top of the page.