I could find the right code to embedd the newsletter form under posts and pages, i wished i could embedd it using a content lock so that users have to subscribe to lock content (hey I know this feature is present but currently it hides the whole post, i want to show some in the beginning and the form to be present after some content is displayed).
Using the content lock, you should add the subscription form with the “content locked message” using the {subscription_form} tag.
To add the form on bottom of the page, use the header and footer plugin (my version) and you can copy and paste a form or use the [newsletter_form] short code.
that means one more plugin to add…, can i not use the plugin and achieve what i want. I m really impressed by the content lock as that helps to increase my email newsletter opt-ins at a tremendous rates, hope to contribute to this plugin at some point of time in future. why go for paid service when this type of plugin are available.