After some fussing about, it workeded in Blogger.
Step 1: Get an API key from HERE.
Step 2: Copy stuff out of the Rav API Step 1 text box.
Step 4: In the text box they provide, paste the text you grabbed in Step 2 above.
Step 5: Go back to Rav API Step 2, grab the one liner script and paste it to the bottom of the script from Rav Step 1. Click "Save" and away you go.