I've seen a lot of questions about embedding Google+ posts in WordPress. There is a lot of janky information out there on this, so I put together a Google+ post on how to do it.
It's embedded below:
Below are the alternatives I've seen depicted as “working”. They are all using the standard OEmbed method that DOES NOT WORK with Google+.
Alternative #1 – this doesn't work
Please share if you think this would be of any benefit to your circles.
Alternative #2 – this doesn't work, either (note I removed my “vanity handle” and replaced it with my Google+ ID)
Alternative #3 – this doesn't work either (note I removed the “u”)
Alternative #4 – guess what? This doesn't work either (note I removed the “0”, too)
The above alternatives may work in WordPress.com sites (I have not tested it, but will soon), but they absolutely do not work with self-hosted WordPress.org sites.