Can’t embed audio or video

I’m going nuts trying to find some help… I’m simply trying to embed audio and video into my blog… for example, YouTube and Hipster.com. Nothing works. What’s strange is that the embed code that I post is replaced with something else. Any thoughts? You can see the source code at https://www.r180.com/blog.

The primary thing I’m trying to do is to use hipster. I record a podcast with them, and then it is supposed to post to my blog. An audio player should appear… but it does not.