The WordPress Terms & Conditions plugin, pops up a Terms & Conditions agreement page the first time a user logs in. In addition the new users are presented with a nice fully customisable welcome message after they agree to your Terms to help them get started using your blog.

For WordPress installations setup with the multiple site option the Terms & Conditions will pop up the first time a user loges into there new site.

Features
* Works for both New Blogs and New users.
* Customisable Open Source Terms of Use agreement.
* Customisable Open Source Privacy Policy.
* Customisable Welcome Message.
* Can be integrated into a mature blog.
* Support for both WordPress and WordPress MU.
* No changes need to be made to the Sign up process.