There are a few guides online on how to embed Prezi into after more recent upgrades to WordPress. I’m going to include some links below, but I haven’t to be able to make anything work. I manage to have the Prezi appear, but it won’t play beyond the first slide. I tried a few variations, but not a different browser.

Digital Media Lab – my prezi I tried to embed

embedding prezi to my blog (forum post)

WordPrezi beta