Promoting the Freeb on the Podcast?

I mention it in the intro, and i tell people two ways to get it. They either go to a stand alone url that has the optin page, or they can go to my show notes. And i typically have a an image in there for the free b in the show notes. I tease it throughout, maybe once or twice, if it's not too aggressive,. If you want to know more about this, or if you want to dive deeper, remember i've got that freeby. Then i always give the URL one more time in the autro. It works best when i'm not advertising for somebody else. You know, i do sponsorship on my podcast, but once