I've struggled with this in the past, and every time I work on a project with a custom FAPI form that involves multiple elements and submit buttons to either add another, or do some other fun AJAXy goodness it seems to rear its head again.

Extending the follow module is really pretty simple.  

Follow along, I'll show you how it's done! (Bad pun may or may not have been intended)

Usually when someone wants a custom contact form on their Drupal website the easiest solution is to use the webform module, however if you don't need to store submissio

More than a few times in the past few years I've been tasked with enabling a user to add a youtube video to a piece of content in Drupal.