1. How to Embed a Google
Presentation in a
WordPress Blog

2. Make your presentation public by
clicking on "Share"

3. Start your presentation
Copy your presentation ID from the URL

4. Make a new WordPress Post and
past in this code:
<iframe src="https://docs.google.com/presentation/embed?
id=1SsDVcGJIyiaDm_K8nCPRdoNZiKmD3OEFBl_5-RxmfsE&amp;
start=false&amp;loop=false&amp; frameborder="0" width="520" height="405"
></iframe>
Note that my Presentation ID is the code, marked in red, so
change that portion to your presentations ID