Thanks for responding, Corey.
Again, if there's any way you can look into how to use your plugin with RSS feed posts, I'd be very grateful.
Yesterday I added email opt-in code as the content for your plugin, and even though it's only showing on the very few posts I've created myself, it has increased my site's opt-in rate by at least 300% already, which is insane. And, I can see exactly which form on my site the opt-ins are coming from, and the majority are from this new one. This is greatly outperforming my main opt-in form on my homepage, which is very surprising as most people visit my homepage multiple times per site visit. I really work hard to grow my email list and this was a dramatic increase.
Given how few posts this shows up on, I'm very impressed with how effective this is, and I know that if I could have that form show up at the bottom of every post... both RSS and normal posts... that my opt-in rate would skyrocket much further. Anyone's would.
Please help me if you can. If you can figure out how to do this, you'll have a KILLER plugin that people will rave about for increasing opt-ins. You might even want to make a new plugin dedicated specifically to easily placing an opt-in form at the bottom of posts... including RSS posts.
Thanks in advance for at least taking a quick look to see if it's doable.