I just found an article that details how to give your FBA users the control to manage their password through SharePoint. I believe this could come in handy for many projects.

When you want to use form based authentication for SharePoint authentication, one of the requirements could be that users can change their passwords from within SharePoint. Because this functionality is not OOTB available, you will need to create a custom web part or application page for it. Check what best matches your project requirements. The code behind it will be the same, and this is what will be covered in this blog post.

Read the rest of this article written by Elio Struyf here.