If you just created an Account, you will be directed to the following page. Simply fill in the form as you did with the Account, then click Create Project.
Remember: Account members can publish to any project within the account, but the addresses you add as a Project member can only publish to this project.
If you're at the dashboard view (homepage), you can click the Create New dropdown, and select Project:
Once the transaction succeeds, you will be redirected back to the dashboard where you can publish a release! π