If you've signed up, there is an account at jalbum.net waiting for you. This is how you publish to it.
First, make sure you have made an album and that you are signed in to the application. If you did not sign in when you started the jAlbum desktop application, click on the Sign in button in the top left corner and then Make the album again.
Now upload your album to the Internet by clicking the Upload button.
Your album is now online and it's time to show off your fine work. After publishing you can click on the "open in external browser" symbol to check out the album in your standard browser.
Finally, go to the share tab in jalbum to share your album on jalbum.net and other social networks.